CN222875813U - Seat with adjustable backrest - Google Patents
Seat with adjustable backrest Download PDFInfo
- Publication number
- CN222875813U CN222875813U CN202420882138.8U CN202420882138U CN222875813U CN 222875813 U CN222875813 U CN 222875813U CN 202420882138 U CN202420882138 U CN 202420882138U CN 222875813 U CN222875813 U CN 222875813U
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- seat
- connecting rod
- cushion
- mounting
- locking
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Abstract
The utility model belongs to the technical field of seats, and particularly relates to a seat with an adjustable backrest. The seat cushion comprises a seat cushion, a backrest, a supporting seat, a connecting rod assembly, a locking assembly and a locking assembly, wherein the backrest is provided with a mounting rod and a cushion, the supporting seat is used for mounting the mounting rod, the cushion is provided with a first position for enabling the cushion to be located on the rear side of the seat cushion and a second position for enabling the cushion to be located on the front side of the seat cushion, the connecting rod assembly is arranged between the mounting rod and the supporting seat and used for converting the mounting rod between the first position and the second position, and the locking assembly acts on the connecting rod assembly and is used for enabling the mounting rod to be locked at the first position or the second position. The utility model is provided with the supporting seat, the connecting rod assembly and the locking assembly, and the connecting rod assembly is provided with the first connecting rod and the second connecting rod which are rotationally connected with the supporting seat and the backrest, so that the backrest can be adjusted in the front-back direction relative to the cushion in the rotation process of the first connecting rod and the second connecting rod, and a user can take the seat reversely.
Description
Technical Field
The utility model belongs to the technical field of seats, and particularly relates to a seat with an adjustable backrest.
Background
Existing vehicle seats include a seat cushion and a backrest, and the backrest is only adjusted in angle with the seat cushion, and the backrest is mainly designed according to the standard of one-way riding. Such designs have some drawbacks in practice, such as the need for communication by front and rear passengers, which can be laborious. Especially in some commercial car, coach, golf car, car such as plugging into, the front and back row passenger has more communication demand, if can match the seat of adjustable direction of taking this moment, let the passenger can reverse take, then can be more convenient.
Disclosure of Invention
In order to solve the problems, the utility model provides the backrest-adjustable seat which can adjust the backrest back and forth to adapt to the forward and reverse riding of a user.
The utility model adopts the following technical scheme:
The utility model provides a backrest-adjustable seat, which is characterized by comprising a seat cushion, a backrest, a connecting rod assembly, a locking assembly and a locking assembly, wherein the seat cushion is provided with a mounting rod, a backrest cushion and a supporting seat, the mounting rod is used for mounting, the backrest cushion is provided with a first position for enabling the backrest cushion to be positioned on the rear side of the seat cushion, the backrest cushion is provided with a second position for enabling the backrest cushion to be positioned on the front side of the seat cushion, the connecting rod assembly is arranged between the mounting rod and the supporting seat and used for enabling the mounting rod to be converted between the first position and the second position, and the locking assembly acts on the connecting rod assembly and is used for enabling the mounting rod to be locked in the first position or the second position.
The seat with the adjustable backrest can be characterized in that the connecting rod assembly is provided with a first connecting rod, one end of the first connecting rod is rotatably connected with the supporting seat, the other end of the first connecting rod is rotatably connected with the mounting rod, one end of the second connecting rod is rotatably connected with the first connecting rod, the other end of the second connecting rod is rotatably connected with the mounting rod, a guide hole is formed in the first connecting rod or the mounting rod, and one end of the second connecting rod moves along the guide hole.
The seat with the adjustable backrest can be characterized in that the supporting seat is internally provided with a containing groove for containing the first connecting rod, the containing groove is provided with a first containing area and a second containing area, one end of the first connecting rod is rotatably arranged in the middle of the containing groove, and when the first connecting rod in the first containing area rotates 180 degrees to reach the second containing area, the mounting rod is switched from the first position to the second position.
In the seat with the adjustable backrest, the utility model can also be characterized in that the connecting position of the second connecting rod and the mounting rod is positioned above the connecting position of the first connecting rod and the mounting rod, and when the mounting rod is positioned at the first position or the second position, a triangular supporting mechanism is formed among the first connecting rod, the second connecting rod and the mounting rod.
The seat with the adjustable backrest can be characterized in that the supporting seat is also provided with positioning pieces symmetrically arranged at the first position and the second position, positioning grooves for positioning the mounting rods are formed in the positioning pieces, one side of each positioning groove is provided with an abutting surface for abutting the mounting rod, and the other side of each positioning groove is provided with a blocking surface for blocking the mounting rod.
The seat with the adjustable backrest can be characterized in that the locking assembly is provided with a bolt which is movably arranged on the supporting seat, the lock pin is arranged on the bolt and moves along with the bolt, and the first connecting rod is provided with a jack and a lock hole for inserting the bolt and the lock pin respectively.
The seat with the adjustable backrest can be characterized in that the locking assembly is also provided with an elastic piece which acts on the bolt and is used for assisting the bolt to be inserted into the lock hole, the bolt is provided with a handheld part and a penetrating part, the handheld part is exposed out of one side of the supporting seat, one end of the penetrating part is connected with the handheld part, the other end of the penetrating part penetrates through the supporting seat and the jack and is exposed out of the other side of the supporting seat, and the elastic piece is sleeved on the part of the penetrating part exposed out of the supporting seat.
The seat with the adjustable backrest can be characterized in that the lock pin comprises a pair of locking parts which can be matched with the lock hole, a connecting part which is connected with the pair of locking parts and is fixed with the bolt, and the pair of locking parts are symmetrically arranged at two sides of the bolt.
The seat with the adjustable backrest provided by the utility model can be further characterized in that one end of the locking part facing the lock hole is provided with a guide surface which is inclined outwards from top to bottom, and after the first connecting rod contacts with the guide surface, the locking part moves and is inserted into the lock hole under the action of the elastic piece to realize locking.
The seat with the adjustable backrest provided by the utility model can be characterized in that the mounting rods, the supporting seat and the connecting rod assembly are respectively provided with two groups, and are arranged at two sides of the seat cushion in a one-to-one correspondence manner, the back cushion is arranged between the two groups of mounting rods, and the back cushion comprises two back cushion surfaces positioned at the front side and the back side.
The actions and effects of the utility model
According to the seat with the adjustable backrest, the supporting seat, the connecting rod assembly and the locking assembly are arranged, the connecting rod assembly is provided with the first connecting rod and the second connecting rod which are rotatably connected with the supporting seat and the backrest, so that the backrest can be switched from the first position to the second position, namely, the backrest and the supporting seat are fixed through the locking assembly in the front side or the rear side of the seat cushion in the rotating process of the first connecting rod and the second connecting rod, the seat cushion can be reversely taken by a user, and the seat cushion is convenient and quick to operate.
Drawings
Fig. 1 is a structural view of a seat according to embodiment 1 of the present utility model.
Fig. 2 is a state diagram of a seat according to embodiment 1 of the present utility model.
Fig. 3 is a schematic structural view of an adjustable backrest mechanism according to embodiment 1 of the present utility model.
Fig. 4 is a second schematic structural view of the adjustable backrest mechanism of embodiment 1 of the present utility model.
Fig. 5 is a schematic structural view of a connecting rod assembly according to embodiment 1 of the present utility model.
Fig. 6 is a schematic structural view of a positioning member according to embodiment 1 of the present utility model.
Fig. 7 is a partial enlarged view at M in fig. 4.
Fig. 8 is a sectional view showing the structure in which the locking assembly of embodiment 1 of the present utility model is mounted on the support base.
Fig. 9 is a schematic structural view of embodiment 2 of the present invention.
Fig. 10 is a schematic structural view of a connecting rod assembly according to embodiment 3 of the present invention.
Reference numerals are used for the seat 100, the adjustable back mechanism 10, the back 11, the mounting bar 12, the cushion 13, the seat cushion 20, the support base 30, the left support base 30b, the right support base 30a, the accommodating groove 31, the positioning piece 32, the positioning groove 321, the abutment surface 322, the caulking groove 323, the link assembly 40, the first link 41, the boss 411, the first rotating piece 412, the guide hole 413, the lock hole 414, the second link 42, the hinge shaft 421, the second rotating piece 422, the lock assembly 50, the latch 51, the hand piece 511, the penetrating portion 512, the latch 52, the locking portions 521a, 521b, the connecting portion 522, the guide surface 523, and the spring 53.
Detailed Description
In order to make the technical means, creation features, achievement of the purposes and effects of the present utility model easy to understand, the backrest-adjustable seat of the present utility model will be specifically described below with reference to the embodiments and the accompanying drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without any inventive effort, are intended to be within the scope of the utility model.
The terms first, second and the like in the description and in the claims and in the above-described figures are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.
Reference herein to "an embodiment" or "implementation" means that a particular feature, structure, or characteristic described in connection with the embodiment or implementation may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
Example 1]
Fig. 1 is a structural view of a seat according to embodiment 1 of the present utility model.
Fig. 2 is a state diagram of a seat according to embodiment 1 of the present utility model.
The present embodiment provides a seat 100 for golf carts, docking carts, business carts, long distance carts, etc., which allows passengers to sit in opposite directions. The seat 100 includes a fixed bracket (not shown in the drawings), a seat cushion 20 and an adjustable back mechanism 10, and the seat cushion 20 and the adjustable back mechanism 10 are mounted on the fixed bracket and in the vehicle cabin through the fixed bracket. The adjustable backrest mechanism 10 includes a backrest 11, as shown in fig. 2, whereby the backrest 11 can be moved from an original position a through a position B to a position C, so that a passenger can take a backward ride.
Fig. 3 and 4 are schematic views showing the structure of the adjustable backrest mechanism according to embodiment 1 of the present utility model at different angles.
As shown in fig. 1-4, the adjustable backrest mechanism 10 further includes a support base 30, a link assembly 40 and a locking assembly 50, wherein the support base 30 is provided with a pair of left support base 30b and right support base 30a, which are symmetrically disposed on the left and right sides of the seat cushion 20, for mounting the backrest 11, the backrest 11 is provided with a pair of mounting rods 12 and a cushion 13 mounted between the pair of mounting rods 12, the pair of mounting rods 12 are respectively disposed corresponding to the left support base 30b and the right support base 30a, and the cushion 13 includes two cushion faces disposed on the front and back sides and symmetrically disposed, so that a person can lean on after the backrest 11 is adjusted. Each support seat 30 has a first position in which the mounting bar 12 is disposed, and a second position in which the cushion 13 is disposed at the rear side of the seat cushion 20 to allow a passenger to sit forward (the front and rear sides of the seat cushion are based on the direction in which the vehicle travels), and in which the mounting bar 12 is disposed at the front side of the seat cushion 20 to allow the passenger to sit backward.
The link assemblies 40 are disposed between the mounting bar 12 and the support base 30, and are provided in two groups, each group corresponding to one of the mounting bar 12 and one of the support base 30, for adjustably mounting the backrest 11 on the support base 30 so as to be capable of being adjusted back and forth relative to the seat cushion 20, i.e., the mounting bar 12 is shifted between the first position and the second position. The locking assembly 50 is used to hold the backrest 11 stationary relative to the support base 30, i.e., to lock the mounting bar 12 in the first or second position. The link assembly 40 has a first link 41 and a second link 42, one end of the first link 41 is rotatably connected to the support base 30, the other end is rotatably connected to the mounting rod 12, one end of the second link 42 is rotatably connected to the first link 12, the other end is rotatably connected to the mounting rod 12, and the locking assembly 50 acts on the link assembly 40 to lock the mounting rod 12 in the first position or the second position, specifically, the locking assembly 50 can fix the first link 41 or the second link 42 on the support base 30.
Fig. 5 is a schematic structural view of a connecting rod assembly according to embodiment 1 of the present utility model.
As shown in fig. 4, the left support seat 30b and the right support seat 30a have the same structure, taking the right support seat 30a as an example, a containing groove 31 for containing a first link 44 is formed in the support seat 30, the containing groove 31 has a first containing area and a second containing area, one end of the first link 41 is rotatably arranged in the middle of the containing groove 31 through a shaft sleeve 411, the other end of the first link 41 is connected to the mounting rod 12 through a first rotating member 412, when the first link 41 in the first containing area rotates 180 ° around the axis of the shaft sleeve 411 to reach the second containing area, the mounting rod 12 can be switched from the first position to the second position, and conversely, when the first link 41 in the second containing area rotates 180 ° around the axis of the shaft sleeve 411 to reach the first containing area, the mounting rod 12 can be switched from the second position to the first position. One end of the second connecting rod 42 is rotationally connected to the middle part of the first connecting rod 41 through the hinge shaft 421, the other end of the second connecting rod 42 is connected to the mounting rod 12 through the second rotating member 422, a guide hole 413 is formed in the first connecting rod 41, the hinge shaft 421 is inserted into the guide hole 413, one end of the hinge shaft 421 of the second connecting rod 42 moves along the guide hole 413 in the rotation process of the first connecting rod 41, the end part of the hinge shaft 421 is fixed and limited through the screw 423, and the hinge shaft 421 is prevented from being separated from the guide hole 413 in the movement process. As shown in fig. 5, the connection position between the second rotating member 422 and the mounting rod 12 is located above the connection position between the first rotating member 412 and the mounting rod 12, so that when the mounting rod 12 is at the first position or the second position, a triangular supporting structure can be formed among the first connecting rod 41, the second connecting rod 42 and the mounting rod 12, and on one hand, when the first connecting rod 41 is allowed to rotate, the second connecting rod 42 and the mounting rod 12 are driven to rotate, and on the other hand, a relatively stable supporting structure can be formed after the rotation is completed. The connection position of the first rotating member 412 and the mounting rod 12 and the connection position between the shaft housing 411 and the support base 30 are substantially on a straight line parallel to the length direction of the first connecting member, so that the first connecting member 41 can be in a straight line and positioned in the receiving groove 31 after the rotation is completed.
Fig. 6 is a schematic structural view of a positioning member according to embodiment 1 of the present utility model.
As shown in fig. 3 and 4, each supporting seat 30 further has a pair of positioning members 32 symmetrically disposed at front and rear ends of the receiving groove 31, the pair of positioning members 32 are also exactly located at the first position and the second position, as shown in fig. 6, (1) in fig. 6 is a schematic front view of the positioning members 32, and (2) in fig. 6 is a schematic back view of the positioning members 32, each positioning member 32 is provided with a positioning groove 321 for positioning the mounting rod 12, one side of the positioning groove 321 is formed with an abutment surface 322 for the mounting rod 12 to abut against, the other side is formed with a blocking surface 324, an obtuse angle 1 is formed between the abutment surface 322 and the bottom of the positioning groove 321, and the obtuse angle 1 can allow the backrest and the seat cushion to form an obtuse angle in the leaning position, so that the passenger can lean against. The blocking surface 324 is located on the opposite side of the abutting surface 322, and forms an obtuse angle 2 with the bottom of the positioning groove 321, wherein the angle 2> is 1, and the height of the blocking surface 324 is slightly higher than the bottom of the positioning groove 321 by a distance, so that the backrest can be guaranteed to normally rotate, and the stability of the backrest is guaranteed. If the backrest is subject to the force from the rear side, the backrest will have a tendency to tilt forward, after the force is applied, the front bottom side of the mounting rod 12 can directly prop against the blocking surface 324, the blocking surface 324 forms a blocking for the bottom of the mounting rod 12, so that the mounting rod 12 is prevented from tilting forward due to the force applied by the rear side of the backrest, and the stability of the backrest is ensured.
The positioning member 32 may be made of rubber or plastic with a certain hardness and elasticity, and is mainly used for forming positioning and supporting blocking for the mounting rod 12, and when the mounting rod 12 is driven by the link assembly to be transferred into the positioning groove 321, the positioning member is fixed relative to the seat cushion 20. The bottom and the trailing flank of setting element 32 have all seted up caulking groove 323, and corresponding, the holding groove 31 is provided with the fillet in corresponding position, and when setting element 32 was installed on holding groove 31, the fillet was embedded into in the mounting groove 323, strengthened the fixed between the two.
Fig. 7 is a schematic view showing a structure in which the locking assembly of embodiment 1 of the present utility model is mounted on the support base (i.e., a partially enlarged view at M in fig. 4).
Fig. 8 is a sectional view showing the structure in which the locking assembly of embodiment 1 of the present utility model is mounted on the support base.
As shown in fig. 7, the locking assembly 50 has a locking member including a latch 51 and a latch 52, the latch 51 being movably disposed on the support base 30, the latch 52 being disposed on the latch 51 and moving along with the latch 51, a socket through which the latch 51 is inserted and passed being formed in a shaft housing 411 of the first link 41, a locking hole 414 (see fig. 5) through which the latch 52 is inserted being formed in a shaft of the first link 41, and the elastic member acting on the latch 51 for assisting the insertion of the latch 52 into the locking hole 414. In this embodiment, the locking assembly 50 is provided with a set of locking members mounted on a support base at one side, as shown in fig. 7 and 8, the latch 51 has a hand-held portion 511 and a penetrating portion 512, the hand-held portion 511 is exposed at one side of the support base 30, one end of the penetrating portion 512 is connected to the hand-held portion 511, the other end of the penetrating portion 512 passes through the support base 30 and the insertion hole in the shaft sleeve 411 to be exposed at the other side of the support base 30, the elastic member is a spring 53, the spring 53 is sleeved on the portion of the penetrating portion 512 exposed at the support base 30, a protrusion is formed at the end of the penetrating portion 512, one end of the spring 53 abuts against the protrusion, and the other end abuts against the outer surface of the support base 30. The hand-held portion 511 and the penetrating portion 512 may be separately or integrally formed, and are screwed together when they are separately formed, as shown in fig. 8. The lock pin 52 has a pair of locking portions (locking portions 521a and 521b, respectively) for engaging with the lock hole 414, and a connecting portion 522 connecting the pair of locking portions, the connecting portion 522 is rod-shaped and disposed parallel to the longitudinal direction of the support base 30, the middle portion of the connecting portion 522 is provided with one locking portion at each end through which the plug pin 51 passes and is fixed with the plug pin 51. The two locking parts are symmetrically distributed at two ends of the connecting part 522 by taking the axis of the shaft sleeve 411 as an axis, one end of the locking part facing the lock hole 414 (i.e. one end which can extend into the lock hole 414) is provided with a guide surface 523 which is inclined outwards from top to bottom, and when the first connecting rod 41 contacts the guide surface 523, the locking part moves and is inserted into the lock hole 414 under the action of the spring 53 to realize locking. The guide surface 523 can automatically lock the locking portion without manually pulling the locking portion out and then inserting the locking portion into the lock hole 414, which is more convenient. In the present embodiment, since the locking assembly 50 is only disposed on the supporting seat 30 on one side, the supporting seat 30 on the other side is only rotationally connected with the first link 41, and the shaft sleeve 411 of the first link 41 is provided with a shaft, so that two ends of the shaft are fixed on the supporting seat 30, and the first link 41 can rotate relative to the supporting seat 30 with the shaft as the shaft under the driving of the first link 41 in the supporting seat on the other side.
The backrest adjustment process of this embodiment is as follows:
Assuming that the position shown in fig. 4 and 7 is taken as an initial position, first, the user holds the hand-held portion 511 of the latch 51 to pull out the latch 51, the connecting portion 522 moves outwards along with the latch 51, and simultaneously moves outwards with the locking portion 521a, and when the locking portion 521a moves out of the locking hole 414, the backrest can be lifted and adjusted, and at this time, the first link 41 can rotate about the axis of the shaft sleeve 411. Then, the first link 41 is lifted up and rotated, at this time, the user can release the hand-held portion 511, the latch 51 is reset under the action of the spring 53, that is, returns to the original position, when the user rotates the first link 41 to be close to 180 degrees, the bottom of the first link 41 touches the locking portion 521b that returns to the original position, under the action of the spring 53 and the guide surface 523, the locking portion 521b can automatically move a certain distance toward a direction away from the first link 41, so that the first link 41 can continue to rotate until the first link 41 rotates to 180 degrees, and then under the action of the spring 53, the locking portion 521b returns to the original position, is inserted into the lock hole 414, and realizes the locking after adjustment, at this time, the cushion is positioned at the other side of the cushion, and the adjustment is completed.
Example 2 ]
Fig. 9 is a schematic structural view of embodiment 2 of the present invention.
The present embodiment is substantially the same as embodiment 1 described above, except that as shown in fig. 9, two sets of locking assemblies 50 are provided, corresponding to two supporting seats 30, that is, a set of locking assemblies 50 are provided on each of the supporting seat 30a and the supporting seat 30b, and the installation manner and principle of the locking assemblies 50 are the same as those of embodiment 1 described above. When the backrest is adjusted, the pins 51 on both sides are pulled out to rotate the first link 41.
Example 3 ]
Fig. 10 is a schematic structural view of a connecting rod assembly according to embodiment 3 of the present invention.
The present embodiment is basically the same as the above-described embodiments 1 and 2, except that, as shown in fig. 10, a vertical guide hole 121 is formed in the mounting rod 12, one end of the second link 42, which is close to the first link 41, is directly disposed on the first link 41 by rotating with a rotating shaft through a screw, and one end, which is close to the mounting rod 12, is disposed in the guide hole 121 by rotating with the rotating shaft through a screw and moving.
Example 4 ]
The sliding assembly is disposed between the seat cushion 20 and the adjustable backrest mechanism 10 on the basis of the above embodiments 1-3, specifically, the bottoms of the two sides of the seat cushion 20, which are close to the supporting seats 30, are provided with sliding blocks, the inner sides of the two supporting seats 30 (i.e. the sides facing the seat cushion 20) are provided with sliding rails, and the sliding blocks are slidably disposed on the sliding rails, so that the seat cushion 20 can adjust the lateral distance relative to the backrest according to actual needs, so as to adapt to the needs of different passengers.
The above examples are only for illustrating the specific embodiments of the present utility model, and the present utility model is not limited to the description scope of the above examples. It should be understood that the above-described embodiments are exemplary and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and alterations may be made to the above-described embodiments by those skilled in the art within the scope of the utility model, which are also to be considered as being within the scope of the utility model.
Claims (10)
1. The seat with an adjustable backrest is characterized by comprising:
The cushion is provided with a seat cushion,
The backrest is provided with a mounting rod and a back cushion,
A support seat for mounting the mounting bar and having a first position for positioning the cushion at the rear side of the seat cushion and a second position for positioning the cushion at the front side of the seat cushion,
A connecting rod assembly arranged between the mounting rod and the supporting seat and used for switching the mounting rod between the first position and the second position,
And a locking assembly acting on the connecting rod assembly for locking the mounting rod in the first position or the second position.
2. The seat with an adjustable backrest of claim 1, wherein the linkage assembly has:
One end of the first connecting rod is rotationally connected with the supporting seat, and the other end of the first connecting rod is rotationally connected with the mounting rod;
One end of the second connecting rod is rotationally connected with the first connecting rod, and the other end of the second connecting rod is rotationally connected with the mounting rod;
The first connecting rod or the mounting rod is provided with a guide hole, and one end of the second connecting rod moves along the guide hole.
3. The seat with the adjustable backrest according to claim 2, wherein the support seat is internally provided with a containing groove for containing the first connecting rod, the containing groove is provided with a first containing area and a second containing area, one end of the first connecting rod is rotatably arranged in the middle of the containing groove, and when the first connecting rod in the first containing area rotates 180 degrees to reach the second containing area, the mounting rod is switched from the first position to the second position.
4. The seat with adjustable backrest of claim 3, wherein the connection position of the second link and the mounting bar is located above the connection position of the first link and the mounting bar, and a triangular support mechanism is formed between the first link, the second link and the mounting bar when the mounting bar is in the first position or the second position.
5. The seat with an adjustable backrest according to claim 1, wherein the support base further has positioning members symmetrically disposed at the first position and the second position, positioning grooves for positioning the mounting bar are formed in the positioning members, an abutment surface for abutment of the mounting bar is formed on one side of the positioning grooves, and a blocking surface for blocking the mounting bar is formed on the other side of the positioning grooves.
6. The back adjustable seat of any one of claims 2-4 wherein the locking assembly has:
the bolt is movably arranged on the supporting seat,
The lock pin is arranged on the plug pin and moves along with the plug pin,
The first connecting rod is provided with a jack and a lock hole for the insertion of the bolt and the lock pin respectively.
7. The adjustable back seat of claim 6 wherein the locking assembly further has a resilient member acting on the latch for assisting insertion of the latch into the latch aperture;
The bolt has handheld portion and wears to establish the portion, handheld portion expose in one side of supporting seat, wear to establish the one end of portion with handheld portion links to each other, and the other end passes the supporting seat and the jack exposes the opposite side of supporting seat, the elastic component cover is established wear to establish the portion expose in on the supporting seat.
8. The adjustable back seat of claim 7 wherein the locking pin comprises:
a pair of locking parts which can be matched with the locking holes,
A connecting part connected with the pair of locking parts and fixed with the bolt,
The pair of locking parts are symmetrically arranged at two sides of the bolt.
9. The seat with the adjustable backrest according to claim 8, wherein one end of the locking part facing the lock hole is provided with a guide surface inclined outwards from top to bottom, and the locking part is moved and inserted into the lock hole to realize locking under the action of the elastic piece after the first connecting rod contacts the guide surface.
10. The seat of any one of claims 1-5, wherein the mounting bar, the support seat, and the link assembly are provided in two sets and are disposed on opposite sides of the seat cushion in a one-to-one correspondence, and the seat cushion is disposed between the two sets of mounting bars, and the seat cushion has two cushion surfaces on opposite sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420882138.8U CN222875813U (en) | 2024-04-25 | 2024-04-25 | Seat with adjustable backrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420882138.8U CN222875813U (en) | 2024-04-25 | 2024-04-25 | Seat with adjustable backrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222875813U true CN222875813U (en) | 2025-05-16 |
Family
ID=95691565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420882138.8U Active CN222875813U (en) | 2024-04-25 | 2024-04-25 | Seat with adjustable backrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222875813U (en) |
-
2024
- 2024-04-25 CN CN202420882138.8U patent/CN222875813U/en active Active
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