CN220070031U - Bed side fence device with coded lock - Google Patents

Abstract

The utility model provides a bed side rail device with a coded lock, which comprises side plates, a first connecting structure and a second connecting structure. The first connecting structure can be detachably arranged on the first guardrail and is rotatably connected with one end of the side plate; the second connecting structure comprises a coded lock which can be detachably arranged on the second guardrail and is in lockable connection with the side plate through the coded lock. According to the bed side rail device with the coded lock, the side plates are arranged between the first guardrail and the second guardrail, so that the gap between the first guardrail and the second guardrail is closed; the second connecting mechanism with the coded lock is arranged to lock the other end of the side plate with the second guardrail, and only medical staff knowing the code can unlock the coded lock and open the side plate, so that patients can be prevented from privately opening the side plate and separating from a sickbed from a gap.

Description

Bed side fence device with coded lock

Technical Field

The utility model relates to the technical field of medical appliances. In particular to a side rail device which can be used for a sickbed, in particular to a bed side rail device with a coded lock.

Background

The sickbed is a common facility of hospitals and is mainly used for treatment and rest of patients in hospital. As shown in fig. 1, the conventional sickbed has guardrails arranged at two sides of the sickbed body, wherein the guardrails are generally divided into two guardrails, namely a first guardrail 5 and a second guardrail 6, and a gap 7 is generally reserved between the first guardrail 5 and the second guardrail 6; when a patient uses the sickbed, the first guardrail 5 can be lifted or put down as required, and the second guardrail 6 can be lifted or put down, so that the sickbed is convenient to use.

The inventor works in department of neurology rehabilitation, most of neurologic patients are not very good in mental state, have poor autonomous movement capability, and are easy to generate various risks when moving independently under the condition of no accompanying person. In general, patients in neurology have family members to accompany at any time, but when sleeping and resting, patients always have or want to be in the bed independently from the family members or are afraid of trouble family members to be in the bed independently, and the probability of occurrence of risks of the bed independently from the family members is high, so that the situation that the patients are in private bed is avoided.

In practice, the first and second guardrails 5 and 6 are lifted, and a patient cannot get out of the bed alone at this time, but there is a problem in that a gap 7 exists between the first and second guardrails 5 and 6, and the patient often gets out of the bed through the gap 7. Because a large amount of hospital beds with the structure are used in hospitals, the replacement of hospital beds with other structures is not practical, and therefore, how to reform the existing hospital beds so as to solve the problem that patients get off the hospital beds privately through the gap 7 is a technical problem to be solved.

Disclosure of Invention

The utility model aims to overcome the technical defect that a patient can sometimes get off the bed privately through a gap between a first guardrail and a second guardrail in the prior art, which causes easy risk, and further provides a bedside fence device which can be detachably arranged at the gap to prevent the patient from getting off the bed privately from the gap.

To this end, the utility model provides a bedside rail device with a combination lock, comprising:

a side plate;

the first connecting structure can be detachably arranged on the first guardrail and is rotatably connected with one end of the side plate;

the second connecting structure comprises a coded lock, and the coded lock can be detachably arranged on a second guardrail opposite to the first guardrail, and can be in locking connection with the other end of the side plate through the coded lock.

As a preferred scheme, the second connecting structure comprises a base, and the base is detachably arranged on the second guardrail;

the coded lock comprises a lock cylinder and a first lock body; the lock cylinder is fixedly connected with the side plate, and the first lock body is fixedly connected with the base; the lock cylinder can be inserted into the first lock body so as to realize lockable connection between the side plate and the base;

the lock cylinder is hinged with the side plate through a second hinge.

As a preferred aspect, the lock cylinder includes a spindle and a protrusion on a sidewall of the spindle;

the first lock body comprises an outer lock and an inner lock which can be sleeved together in a relative rotating way, and a channel which penetrates through the inner lock and the outer lock and is used for the lock core to penetrate through; a second guide groove which is communicated with the channel and used for the protrusion to pass through is formed on the side wall of the inner lock; a first guide groove which is communicated with the channel and is used for the protrusion to pass through is formed on the side wall of the outer lock;

the outer lock and the inner lock can rotate relatively so that the first guide groove and the second guide groove are staggered to prevent the lock cylinder from being pulled out from the channel.

As a preferable scheme, the outer lock comprises a first lock cylinder, and a first lower baffle disc and a first upper baffle disc which are oppositely arranged at two ends of the first lock cylinder;

the inner lock comprises a second lock cylinder and a second lower baffle disc positioned at one end of the second lock cylinder;

the lock further comprises a blocking cover, and the other end of the second lock cylinder is inserted into the first lock cylinder and then is detachably and fixedly connected with the blocking cover.

As a preferable scheme, the edge of the baffle cover is provided with at least one first lug, and the edge of the first upper baffle disc is provided with a second lug.

As a preferred aspect, the base includes:

a placement space;

the through hole penetrates through the placement space and is used for installing the first lock body;

the supporting seat is positioned at one end of the through hole, which is close to the placement space, and is semicircular, and a third guide groove is formed in the inner side wall of the supporting seat;

the briquetting, detachably installs settle the space, the briquetting has semi-circular perpendicular groove, semi-circular perpendicular groove with the supporting seat cooperation forms circular hole of placing, circular diameter of placing the hole can hold first lock cylinder, just circular diameter of placing the hole is less than first last fender dish with the diameter of first fender dish down, briquetting thickness is less than first last fender dish with the distance of first fender dish down.

As a preferred solution, the second lock body further includes a second lock body disposed at one end of the through hole away from the placement space, the second lock body including:

the code wheel is provided with a containing cavity, one end of the containing cavity is opened, and the other end of the containing cavity is provided with a third channel communicated with the containing cavity and a fourth guide groove communicated with the third channel;

the lock seat is rotatably arranged in the accommodating cavity and is provided with a fourth channel communicated with the third channel and a fifth guide groove communicated with the fourth channel; an outer ring groove which is not completely penetrated is formed in the outer side wall of the lock seat;

a pin hole is formed in the side wall of the code disc, and the pin hole corresponds to the outer ring groove;

the pin can penetrate through the pin hole and be inserted into the outer ring groove.

As a preferred solution, the lock cylinder is hinged to the side plate by a second hinge.

As a preferable scheme, the bulge is provided with at least two on the side wall of the mandrel and is oppositely arranged along the axial direction of the mandrel; one of the protrusions is disposed adjacent to the first lock body, and the other protrusion is disposed adjacent to the second lock body.

The technical scheme provided by the utility model has the following advantages:

according to the bedside fence device, the side plates are detachably arranged between the first guardrails and the second guardrails of the sickbed, so that the gaps between the first guardrails and the second guardrails are closed; one end of the side fence is rotatably connected with the first guardrail through a first connecting structure, and the other end of the side fence is connected with the second guardrail through a second connecting structure in a lockable manner through a coded lock.

The lock core is matched with the first lock body to realize first re-locking, when a patient is in bed, a medical staff or a nursing staff needs to lock the patient on a bed, the side plate is rotated to enable the mandrel to pass through the first lock body, at the moment, the first guide groove and the second guide groove on the first lock body are opposite, the mandrel with the bulge can pass smoothly, after the bulge passes through the first lock body, the outer lock and the inner lock are relatively rotated, at the moment, the first guide groove and the second guide groove are staggered, and when the patient pushes the side plate outwards, the bulge cannot pass through the first guide groove and the second guide groove which are not corresponding, so that the side plate cannot be opened; at least one first lug part can be arranged on the baffle cover connected with the inner lock, a second lug part is arranged on the edge of the first upper baffle disc of the outer lock, and the unlocking position, namely the position corresponding to the first guide groove and the second guide groove, is set through the relative position of one of the first lug part and the second lug part.

The lock core is matched with the second lock body to realize second re-locking, the first re-locking is simpler, and a patient has strong observation capability, so that when a certain first lug is aligned with a second lug, the baffle can be opened, and the first re-locking is released; at the moment, a second locking is added, wherein the second locking comprises a code disc and a lock seat, a containing cavity is arranged on the code disc, a third channel is arranged in the middle of the containing cavity and used for allowing a lock cylinder to pass through, and the second locking further comprises a fourth guide groove used for allowing a protrusion fixed on the lock cylinder to pass through; the lock seat is rotatably arranged in the accommodating cavity and is provided with a fourth channel communicated with the third channel, the fourth channel is also used for allowing the lock cylinder to pass through, and the lock seat also comprises a fifth guide groove used for allowing a protrusion fixed on the lock cylinder to pass through; when the fourth guide groove is aligned with the fifth guide groove, the lock cylinder can smoothly pass through or be pulled out from the second lock body; the side wall of the code disc is provided with a pin hole, and the pin hole corresponds to an outer ring groove arranged on the lock seat; the pin can penetrate through the pin hole and be inserted into the outer ring groove; when a patient is lying in bed and a medical staff or a nursing staff needs to lock the patient on the bed, the outer lock and the inner lock are rotated relatively first, and the first re-locking is opened; then the lock base is rotated clockwise, and the second locking is opened; generally, a patient easily observes a first re-lock toward the inside of a hospital bed, but does not easily observe a second re-lock toward the outside of the hospital bed, so that even if the patient can rotate to open the first re-lock, the second re-lock is difficult to open, thereby smoothly realizing the prevention of the patient from stealing out of the bed.

The bed side rail device with the coded lock can realize first re-locking only by rotating the outer lock and the inner lock relatively, can realize double locking only by rotating the lock seat, is simple to operate, and can effectively solve the problem that a patient in neurology gets out of the bed privately.

The bedside fence device with the coded lock can be used for neurology and other departments, and is used for preventing patients from getting down privately.

Drawings

In order to more clearly illustrate the technical solutions in the prior art or in the embodiments of the present utility model, the following brief description is given of the drawings used in the description of the prior art or the embodiments.

FIG. 1 is a schematic view of a prior art hospital bed;

FIG. 2 is a schematic view of the overall structure of the bed side rail device with the combination lock of the present utility model;

FIG. 3 is an enlarged schematic view of the portion A of FIG. 2;

FIG. 4 is another perspective view of FIG. 2;

FIG. 5 is an enlarged schematic view of the portion B of FIG. 4;

FIG. 6 is another perspective view of FIG. 2;

FIG. 7 is a cross-sectional view of the portion C of FIG. 6;

FIG. 8 is a schematic view of an exploded construction of the lock cylinder, first lock body and base portion;

FIG. 9 is a schematic structural view of a lock cylinder;

FIG. 10 is a schematic structural view of an outer lock and flap assembly;

FIG. 11 is a schematic view of the structure of the inner lock;

FIG. 12 is a schematic view of the combined structure of the outer lock, inner lock and cover;

FIG. 13 is a schematic view of the structure of the base;

FIG. 14 is a schematic view of the structure of the lock base;

fig. 15 is a schematic structural diagram of a code wheel.

Reference numerals: 1. a first connection structure; 10. a fixing seat; 11. a first hinge; 12. a first clip; 120. a first straight portion; 121. a first bending portion; 2. a second connection structure; 20. a base; 201. a third guide groove; 202. a placement space; 203. a second threaded hole; 204. a support base; 205. a through hole; 21. a coded lock; 210. a lock core; 2101. a mandrel; 2103. a protrusion; 211. a code wheel; 2110. a third channel; 2111. a fourth guide groove; 2113. a pin hole; 2114. a receiving chamber; 212. a lock base; 2120. a fourth channel; 2121. a fifth guide groove; 2124. an outer ring groove; 213. a pin; 214. an inner lock; 2140. a second channel; 2141. a second guide groove; 2142. a second lower baffle plate; 2143. a second lock cylinder; 215. an outer lock; 2150. a first channel; 2151. a first guide groove; 2152. a first lower baffle plate; 2153. a first lock cylinder; 2154. a first upper baffle plate; 2155. a second ear; 216. a blocking cover; 2160. a cover opening; 2161. a sixth guide groove; 2162. a first ear; 22. briquetting; 221. semicircular vertical grooves; 223. a first threaded hole; 23. a second clip; 230. a second straight portion; 231. a second bending portion; 24. a second hinge; 3. a side plate; 5. a first guardrail; 6. a second guardrail; 7. a gap.

Detailed Description

In order that those skilled in the art will better understand the present solution, a technical solution according to an embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiment is only a part of the embodiment of the present utility model, not all of the embodiment. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, shall fall within the scope of the utility model.

It should be noted that the terms "first," "second," and the like in the claims and description herein are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to those steps or elements that are expressly listed or inherent to such process, method, article, or apparatus.

In the present utility model, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations. Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present utility model can be understood by those skilled in the art according to the specific circumstances. In addition, the term "plurality" shall mean two as well as more than two. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Referring to fig. 2 to 5, the present embodiment provides a bedside rail device with a coded lock, including: a side plate 3, a first connection structure 1 and a second connection structure 2. The first connecting structure 1 can be detachably installed on the first guard rail 5 and is rotatably connected with one end of the side plate 3; the second connecting structure 2 comprises a coded lock 21, and the second connecting structure 2 can be detachably installed on a second guardrail 6 opposite to the first guardrail 5 and is in lockable connection with the other end of the side plate 3 through the coded lock 21.

The bed side rail device with the coded lock of the embodiment seals the gap 7 between the first guardrail 5 and the second guardrail 6 by arranging the side plate 3 between the first guardrail 5 and the second guardrail 6 of the sickbed; the side plate 3 and the first guardrail 5 are rotatably connected through the first connecting structure 1, so that the side plate 3 can be opened and closed; simultaneously, the second connecting structure 2 is arranged and is locked with the other end of the side plate 3 through the coded lock 21, so that the side plate 3 can be prevented from being privately opened by a patient, the patient is separated from a sickbed from the gap 7, and the risk of falling down the bed can be reduced after the side plate 3 is installed.

As shown in fig. 2-3, the second connection structure 2 includes a base 20, one end of the base 20 is detachably and fixedly mounted on the second guard rail 6, and the other end is detachably connected to the coded lock 21.

As shown in fig. 6-7, the combination lock 21 includes a lock cylinder 210 and a first lock body; the lock cylinder 210 is fixedly connected with the side plate 3, the first lock body is fixedly connected with the base 20, the lock cylinder 210 can be inserted into the first lock body, and when the state of the first lock body changes, the side plate 3 can be locked with the base 20.

More specifically, as shown in fig. 4-5, lock cylinder 210 is hingedly connected to side plate 3 by a second hinge 24. By providing the second hinge 24, the angle and direction of the lock cylinder 210 can be conveniently adjusted when the side plate 3 is locked, so that the lock cylinder can be smoothly inserted into the first lock body.

In this embodiment, as shown in fig. 4 and 6, the first connection structure 1 is detachably connected to the first rail 5 through the first clip 12, and the second connection structure 2 is detachably connected to the second rail 6 through the second clip 23. The first connecting structure 1 comprises a fixing seat 10 and a first clamp 12, the first clamp 12 comprises a first bending part 121 and a first straight part 120, the first straight part 120 is fixedly connected with the first connecting structure, and the first bending part 121 is fixedly installed by tightening the first guardrail 5.

As shown in fig. 3 and 6, the second clip 23 includes a second flat portion 230 and a second curved portion 231, the second curved portion 231 is fixed to the base 20, and the second curved portion 231 is fastened and fixed to the second rail 6. The first clip 12 and the second clip 23 may be provided in two, respectively, so as to enhance the stability of fixation.

As shown in fig. 7-9, the lock cylinder 210 includes a spindle 2101 and a protrusion 2103 located on a sidewall of the spindle 2101; the first lock body comprises an outer lock 215 and an inner lock 214 which are sleeved together in a relative rotating way, and a channel penetrating through the inner lock 214 and the outer lock 215 and used for the lock cylinder 210 to penetrate through; a second guide groove 2141 communicating with the passage and allowing the protrusion 2103 to pass through is formed on the side wall of the inner lock 214; a first guide groove 2151 communicating with the passage and through which the projection 2103 passes is formed in the side wall of the outer lock 215; the outer lock 215 and the inner lock 214 may rotate relative to each other such that the first guide groove 2151 and the second guide groove 2141 are offset to block the protrusion 2103 of the lock cylinder 210 from being pulled out of the channel, i.e., to achieve locking.

When the side plate 3 is closed and the lock cylinder 210 is inserted into the first lock body, the first guide groove 2151 and the second guide groove 2141 are aligned, the spindle 2101 is inserted into the passage, and the projection 2103 follows the spindle 2101 of the lock cylinder 210 to pass through the first guide groove 2151 and the second guide groove 2141, so that the lock cylinder 210 can be smoothly inserted into the first lock body. When the lock cylinder 210 is inserted, the protrusion 2103 passes through the inner lock 214 and the outer lock 215, and then the outer lock 215 and the inner lock 214 are relatively rotated to stagger the first guide groove 2151 and the second guide groove 2141, at this time, the protrusion 2103 cannot pass through the first guide groove 2151 and the second guide groove 2141 at the same time, and the lock cylinder 210 cannot be separated from the first lock body, so that locking is achieved.

Specifically, as shown in FIG. 11, the outer lock 215 includes a first lock cylinder 2153, a first lower catch plate 2152, and a first upper catch plate 2154. The first lower baffle disc 2152 and the first upper baffle disc 2154 are disposed at two ends of the first lock cylinder 2153, and a first channel 2150 is formed in the middle of the first lock cylinder 2153, the first lower baffle disc 2152 and the first upper baffle disc 2154, and the first guide groove 2151 is communicated with the first channel for the lock cylinder 210 to pass through.

As shown in fig. 10 and 12, inner lock 214 includes a second lock cylinder 2143 and a second lower baffle plate 2142, second lower baffle plate 2142 is located at one end of second lock cylinder 2143, and second channel 2140 is penetrated between second lower baffle plate 2142 and second lock cylinder 2143, and second guide groove 2141 communicates with second channel 2140, so that lock cylinder 210 can pass through.

A blocking cover 216 is also connected to the other end of the second lock cylinder 2143, and the other end of the second lock cylinder 2143 is detachably and fixedly connected to the blocking cover 216 after being inserted into the first lock cylinder 2153 and protruding from the first channel 2150. The shield cover 216 may also be provided with a cover opening 2160 penetrating the second passage 2140, and a sixth guide groove 2161 through which the protrusion 2103 passes, the sixth guide groove 2161 being provided with the second guide groove 2141, so that an end portion of the lock cylinder 210 may protrude from the cover opening 2160 after being inserted into the first lock body. The inner lock 214 can be rotated conveniently by the blocking cover 216, so that the inner lock 214 and the outer lock 215 can rotate relatively, and the alignment or staggering of the first guide groove 2151 and the second guide groove 2141 and the sixth guide groove 2161 can be adjusted, so that the lock cylinder 210 can be locked. Of course, the lock core 210 may be locked by rotating the first upper baffle disc 2154 to rotate the outer lock 215 to adjust the position of the first guide groove 2151 relative to the second guide groove 2141.

In this embodiment, the first guide groove 2151 and the second guide groove 2141 are located inside the first lock body, and if the relative positional relationship of the two is not known, it may take a long time to rotate the blocking cover 216 or the first upper blocking disc 2154 for unlocking each time; in order to facilitate quick alignment of the first guide groove 2151 relative to the second guide groove 2141, at least one first ear 2162 is disposed on the edge of the cover 216, and when the first ear 2162 rotates to a specific position, the alignment of the first guide groove 2151 and the second guide groove 2141 is indicated, so that the unlocking can be performed.

As a preferred embodiment, as shown in fig. 12, a second lug 2155 can be provided on the first upper catch plate 2154. When the first ear 2162 and the second ear 2155 are aligned, the first lock is in an open state, so that the first lock can be quickly unlocked. To prevent the patient from observing and recording the unlocking method, the first ear 2162 may be provided in plural, for example, 3. And is configured to unlock only when a certain first ear 2162 is aligned with the second ear 2155, thereby preventing the patient from quickly identifying how to unlock.

As shown in fig. 13, the base 20 is provided with a placement space 202 and a through hole 205; the through hole 205 penetrates through the installation space 202, and is used for placing the first lock body. A support seat 204 is disposed at one end of the through hole 205 near the installation space 202, the support seat 204 is semi-circular, and a third guiding groove 201 is disposed on the inner side wall of the support seat 204. The installation space 202 is used for placing the pressing block 22. The pressing block 22 has a semicircular vertical groove 221, and the semicircular vertical groove 221 may be matched with the support base 204 to form a circular placement hole. The diameter of the circular placement hole may accommodate the first lock cylinder 2153, but the diameter of the circular placement hole is smaller than the diameters of the first upper baffle plate 2154 and the first lower baffle plate 2152, and the thickness of the compact 22 is smaller than the distance between the first upper baffle plate 2154 and the first lower baffle plate 2152. The press block 22 may be snapped onto the first lock cylinder 2153. The pressing block 22 can be installed or detached in the installation space 202 through the first threaded hole 223 on the pressing block 22 and the second threaded hole 203 on the base 20, and the outer lock 215, the inner lock 214 and the blocking cover 216 which are sleeved together can be fixed and separated from the base 20.

The first lock body faces the inner side of the sickbed, namely the side where the patient is located. The medical staff can easily see the unlocking and locking by the patient and observe the unlocking and locking by the patient in normal times. If the patient observes and understands the unlocking method, the patient still can unlock the lock by himself and get out of bed privately. For this purpose, a second lock body is provided. The second lock body includes a code wheel 211 and a lock base 212. The code wheel 211 is provided with a containing cavity 2114, one end of the containing cavity 2114 is opened, and the other end is provided with a third channel 2110 communicated with the containing cavity 2114 and a fourth guide groove 2111 communicated with the third channel 2110; the lock base 212 is rotatably disposed in the accommodating chamber 2114, and is provided with a fourth passage 2120 penetrating the third passage 2110 and a fifth guide groove 2121 communicating with the fourth passage 2120. The lock base 212 is generally fixed, and the code wheel 211 is generally rotated relative to the lock base 212 by an external force.

The outer side wall of the lock base 212 is provided with an outer ring groove 2124 which is not completely penetrated; a pin hole 2113 is formed on the side wall of the code disc 211, and the pin hole 2113 corresponds to the outer ring groove 2124; the pin 213 may extend through the pin hole 2113 and be inserted into the outer ring groove 2124. The rotary lock base 212 may be a pin 213 that moves within the outer annular groove 2124 that is not completely penetrated and is blocked by the non-penetrated code wheel sidewall. When the pin 213 is mounted on the pin hole 2113, it may be used to mark the unlocking position where the fourth guide groove 2111 and the fifth guide groove 2121 are aligned, and only when the pin 213 rotates to a designated position, the fourth guide groove 2111 and the fifth guide groove 2121 are aligned, thereby unlocking. And the pin holes 2113 may be provided in plural so that the patient can be confused, prevented from recording the unlocking method, and unlocked privately.

After the second lock body is added, the lock cylinder 210 can smoothly enter and exit the first lock body and the second lock body only when the first guide groove 2151, the second guide groove 2141, the third guide groove 201, the fourth guide groove 2111, the fifth guide groove 2121 and the sixth guide groove 2161 are aligned at the same time, so that unlocking difficulty is increased. In addition, the second lock body is arranged towards the outer side of the sickbed, so that the sickbed is not easy to observe by a patient, and the patient is not easy to understand how to unlock the sickbed.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious changes and modifications which are extended therefrom are still within the scope of the present innovative teachings.

Claims (8)

1. A bedside rail apparatus with a combination lock, comprising:

a side plate (3);

the first connecting structure (1) can be detachably arranged on the first guardrail (5) and is rotatably connected with one end of the side plate (3);

the second connecting structure (2) comprises a coded lock (21), can be detachably arranged on a second guardrail (6) opposite to the first guardrail (5), and is in lockable connection with the other end of the side plate (3) through the coded lock (21).

2. The bedside rail apparatus with combination lock of claim 1, wherein: the second connecting structure (2) comprises a base (20), and the base (20) is detachably arranged on the second guardrail (6);

the coded lock (21) comprises a lock cylinder (210) and a first lock body; the lock cylinder (210) is fixedly connected with the side plate (3), and the first lock body is fixedly connected with the base (20); the lock cylinder (210) can be inserted into the first lock body so as to realize lockable connection of the side plate (3) and the base (20);

the lock cylinder (210) is hinged with the side plate (3) through a second hinge (24).

3. The bedside rail apparatus with combination lock of claim 2, wherein: the lock cylinder (210) comprises a mandrel (2101) and a protrusion (2103) positioned on the side wall of the mandrel (2101);

the first lock body comprises an outer lock (215) and an inner lock (214) which are sleeved together in a relative rotating way, and a channel which penetrates through the inner lock (214) and the outer lock (215) and is used for the lock cylinder (210) to penetrate through; a second guide groove (2141) which is communicated with the channel and is used for the protrusion (2103) to pass through is formed on the side wall of the inner lock (214); a first guide groove (2151) which is communicated with the channel and is used for the protrusion (2103) to pass through is formed on the side wall of the outer lock (215);

the outer lock (215) and the inner lock (214) are rotatable relative to each other such that the first guide groove (2151) and the second guide groove (2141) are offset to block the lock cylinder (210) from being pulled out of the channel.

4. A bedside rail apparatus with combination lock as claimed in claim 3, wherein:

the outer lock (215) comprises a first lock cylinder (2153), a first lower baffle disc (2152) and a first upper baffle disc (2154) which are oppositely arranged at two ends of the first lock cylinder (2153);

the inner lock (214) comprises a second lock cylinder (2143) and a second lower baffle disc (2142) positioned at one end of the second lock cylinder (2143);

the lock further comprises a blocking cover (216), and the other end of the second lock cylinder (2143) is inserted into the first lock cylinder (2153) and then is detachably and fixedly connected with the blocking cover (216).

5. The bedside rail apparatus with combination lock of claim 4, wherein: the edge of the shielding cover (216) is provided with at least one first lug (2162), and the edge of the first upper shielding disc (2154) is provided with a second lug (2155).

6. The bedside rail apparatus with combination lock of claim 4, wherein: the base (20) comprises:

a placement space (202);

a through hole (205) penetrating through the installation space (202) for installing the first lock body;

the supporting seat (204) is positioned at one end of the through hole (205) close to the placement space (202), the supporting seat (204) is semicircular, and a third guide groove (201) is formed in the inner side wall of the supporting seat (204);

briquetting (22) detachably installs settle space (202), briquetting (22) have semi-circular perpendicular groove (221), semi-circular perpendicular groove (221) with supporting seat (204) cooperation forms circular hole of placing, circular diameter of placing the hole can hold first lock cylinder (2153), just circular diameter of placing the hole is less than first fender dish (2154) with the diameter of first fender dish (2152) down, briquetting (22) thickness is less than first fender dish (2154) with the distance of first fender dish (2152) down.

7. The bedside rail apparatus with combination lock of claim 6, wherein: still including set up in the through-hole (205) keep away from the second lock body of settling space (202) one end, the second lock body includes:

a code wheel (211) provided with a containing cavity (2114), wherein one end of the containing cavity (2114) is opened, and the other end of the containing cavity (2114) is provided with a third channel (2110) communicated with the containing cavity (2114) and a fourth guide groove (2111) communicated with the third channel (2110);

a lock base (212) rotatably installed inside the accommodation chamber (2114) and provided with a fourth passage (2120) penetrating the third passage (2110), and a fifth guide groove (2121) communicating with the fourth passage (2120); an outer ring groove (2124) which is not completely penetrated is formed in the outer side wall of the lock seat (212);

a pin hole (2113) is formed in the side wall of the code disc (211), and the pin hole (2113) corresponds to the outer ring groove (2124);

also included is a pin (213), the pin (213) being insertable through the pin bore (2113) and into the outer ring groove (2124).

8. The bedside rail apparatus with combination lock of claim 7, wherein: the protrusions (2103) are arranged on the side wall of the mandrel (2101) and are oppositely arranged along the axial direction of the mandrel (2101); one of the protrusions (2103) is disposed adjacent to the first lock body, and the other protrusion (2103) is disposed adjacent to the second lock body.