CN109620028B - Back rubbing device - Google Patents
Back rubbing device Download PDFInfo
- Publication number
- CN109620028B CN109620028B CN201910004410.6A CN201910004410A CN109620028B CN 109620028 B CN109620028 B CN 109620028B CN 201910004410 A CN201910004410 A CN 201910004410A CN 109620028 B CN109620028 B CN 109620028B
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- Prior art keywords
- sliding
- rod
- rubbing head
- hinge point
- sliding plate
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- 230000000149 penetrating effect Effects 0.000 claims description 18
- 230000033001 locomotion Effects 0.000 abstract description 7
- 230000009347 mechanical transmission Effects 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 208000008035 Back Pain Diseases 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K7/00—Body washing or cleaning implements
- A47K7/04—Mechanical washing or cleaning devices, hand or mechanically, i.e. power operated
- A47K7/043—Mechanical washing or cleaning devices, hand or mechanically, i.e. power operated hand operated
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Epidemiology (AREA)
- General Health & Medical Sciences (AREA)
- Massaging Devices (AREA)
- Rehabilitation Tools (AREA)
Abstract
The utility model relates to a back rubbing device, which comprises a bottom plate, wherein two sliding rails are arranged on the bottom plate at intervals, and a sliding groove is arranged on the inner sides of the two sliding rails along the vertical direction; the sliding plate is arranged in the two sliding grooves in a sliding way; the rubbing head is detachably and fixedly connected with the sliding plate, and a rubbing towel or a massage towel is sleeved on the rubbing head; the bottom of the connecting rod is provided with a pedal, a distance is reserved between the pedal and the ground, the top of the connecting rod is connected with the sliding plate through a parallelogram hinge telescopic mechanism, the parallelogram hinge telescopic mechanism comprises a first hinge point positioned at the bottommost part, a second hinge point positioned at the topmost part and a third hinge point adjacent to the first hinge point along the direction of the center line of the connecting rod, the first hinge point is hinged with the connecting rod, the second hinge point is hinged with the sliding plate, the third hinge point is hinged with the bottom plate, and a first spring is connected between the first hinge point and the third hinge point. The utility model adopts a mechanical transmission structure to realize the up-and-down movement of the rubbing head, thereby meeting the back rubbing requirements of people.
Description
Technical Field
The utility model relates to the technical field of bathroom accessories, in particular to a back rubbing device.
Background
People often encounter the problem that the back is difficult to clean in the bathing process, and when the back needs to be cleaned, the people need to resort to, but the back rubbing force of the people is uncontrollable, so that the problem of incomplete cleaning or back pain can be caused.
Therefore, a person skilled in the art is dedicated to developing an automatic back rubbing mechanism, for example, chinese patent publication No. CN201806623U discloses an automatic back rubbing machine, which uses a lifting motor, a lifting guide rail and a synchronous toothed belt to implement up-and-down movement of a back rubbing head, and the structure is complex.
Disclosure of Invention
Aiming at the defects in the prior art, the technical problem to be solved by the utility model is to provide the back rubbing device which adopts a mechanical transmission structure to realize the up-and-down movement of the rubbing head and meet the back rubbing requirements of people.
In order to solve the technical problems, the utility model provides a back rubbing device, which comprises a bottom plate, wherein the bottom plate is fixedly connected with a wall, two sliding rails are arranged at intervals on one side of the bottom plate far away from the wall, the two sliding rails are arranged along the vertical direction, and a sliding groove is formed in the inner side of each sliding rail in a penetrating manner along the vertical direction; the sliding plate is arranged between the two sliding rails, and two ends of the sliding plate in the width direction are respectively and slidably arranged in the two sliding grooves; the rubbing head is detachably and fixedly connected with one side of the sliding plate far away from the bottom plate, a distance is reserved between the rubbing head and the bottom plate, and a rubbing towel or a massage towel is sleeved on the rubbing head; the bottom of the connecting rod is provided with a pedal, a distance is reserved between the pedal and the ground, the top of the connecting rod is connected with the sliding plate through a parallelogram hinge telescopic mechanism, the parallelogram hinge telescopic mechanism comprises a first hinge point positioned at the bottommost part, a second hinge point positioned at the topmost part and a third hinge point adjacent to the first hinge point along the direction of the center line of the connecting rod, the first hinge point is hinged with the connecting rod, the second hinge point is hinged with the sliding plate, the third hinge point is hinged with the bottom plate, and a first spring is connected between the first hinge point and the third hinge point.
When the back rubbing device is used, the rubbing towel or the massage towel is sleeved on the rubbing head according to the requirement, the foot pedal is stepped on, so that the foot pedal moves downwards, the connecting rod is driven to move downwards, the first hinge point of the parallelogram hinge telescopic mechanism connected with the connecting rod correspondingly moves downwards, and as the third hinge point is hinged with the fixed bottom plate, all hinge points above the third hinge point including the second hinge point move upwards, so that the sliding plate and the rubbing head are driven to move upwards, after the feet are loosened, the parallelogram hinge telescopic mechanism can reset under the action of the elasticity of the first spring, thereby realizing the up-and-down reciprocating movement of the rubbing head, and a user can rub or massage the back by only approaching the rubbing head; the parallelogram hinge telescopic mechanism has the characteristic of amplifying displacement, so that the displacement of the rubbing head is a geometric multiple of the displacement of the pedal, and in practice, the length of the parallelogram hinge telescopic mechanism can be reasonably designed according to the needs to obtain proper displacement amplification. Therefore, the utility model utilizes the displacement amplification characteristic of the parallelogram hinge telescopic mechanism, realizes the up-and-down reciprocating motion of the rubbing head through mechanical transmission, has simple structure and lower manufacturing cost, does not need to consume electric energy when in use, and is safer and more environment-friendly.
Preferably, a sucker is arranged between the bottom of the pedal and the ground, and the top and the bottom of the sucker are respectively attracted with the pedal and the ground. The sucker is arranged, so that the foot pedal can be prevented from deviating from the vertical direction in the process of moving up and down.
Preferably, the connecting rod is a telescopic rod, and comprises a plug rod and a sleeve matched with the plug rod from top to bottom; the bottom of the sleeve is connected with the pedal, and the top of the inserted link is connected with the parallelogram hinge telescopic mechanism. The connecting rod is designed into a telescopic rod with adjustable length, so that the distance between the pedal and the ground can be adjusted according to the field installation requirement.
Preferably, the foot pedal is connected with the sleeve through a mounting rod, a through hole is formed in the bottom wall of the sleeve, the mounting rod is arranged in the through hole in a sliding penetrating mode, a first stop block is arranged at the top of the mounting rod, and the outer circumferential size of the first stop block is larger than the inner circumferential size of the through hole; and a second spring is sleeved on the periphery of the mounting rod and is abutted between the first stop block and the bottom wall of the sleeve. When the distance between the pedal and the ground is larger than the maximum displacement of the first hinge point after installation, and the installation worker does not timely find, the second spring can play a certain role in buffering, and the parallelogram hinge telescopic mechanism is prevented from being damaged.
Preferably, a bar-shaped groove is formed in the top of the inserted link, and the bottom of the parallelogram hinge telescopic mechanism is arranged in the bar-shaped groove in a penetrating manner; the upper end of the inserted link is provided with a connecting hole in a penetrating way along the horizontal direction, the connecting hole penetrates through the side wall of the bar-shaped groove, a connecting bolt is arranged in the connecting hole in a penetrating way, and the first hinge point is hinged with the inserted link through the connecting bolt.
Preferably, the rubbing head is connected with the sliding plate through a supporting rod, one end of the supporting rod is connected with the rubbing head in a sliding way in the horizontal direction, and the other end of the supporting rod is detachably and fixedly connected with the sliding plate; and a third spring is sleeved on the periphery of the supporting rod and is abutted between the rubbing head and the sliding plate. The third springs are arranged, so that the distance between the rubbing head and the sliding plate is adjustable, when a user leans against the rubbing head forcefully, the third springs are compressed, the compressed third springs exert a reaction force on the back of the user, the larger the compression degree of the third springs is, the larger the reaction force is, and the user can adjust the magnitude of the reaction force according to the needs of the user, so that different back rubbing forces are obtained.
Preferably, the rubbing head is of a hollow structure and comprises a box body with an opening at one side, and a cover plate is buckled at the opening of the box body; the cover plate is provided with a circular column-shaped bulge towards one side of the box body, the inner periphery of the circular column-shaped bulge forms a channel penetrating through the cover plate, and the supporting rod is arranged in the channel in a penetrating way; one end of the support rod, which is positioned in the rubbing head, is provided with a second stop block, and the outer circumferential dimension of the second stop block is larger than the inner circumferential dimension of the channel.
Preferably, a bulge is arranged on one side of the sliding plate far away from the bottom plate, a threaded hole is arranged on the bulge, and one end of the supporting rod close to the sliding plate is in threaded connection with the threaded hole; the third spring is abutted between the protrusion and the cover plate.
Preferably, the elastic coefficient of the second spring is larger than that of the first spring, so that when the pedal is pressed down when the pedal mounting height is normal, the first spring is compressed, and the second spring is in a free state.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
Fig. 1 is a schematic structural view of a back scrubber according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a connection structure of a base plate, a slider and a rubbing head according to an embodiment of the utility model;
FIG. 3 is a schematic view of a connecting structure of a connecting rod and a foot pedal according to an embodiment of the present utility model;
FIG. 4 is a schematic view of a skateboard according to an embodiment of the utility model;
FIG. 5 is a schematic view illustrating a connection structure between a first hinge point and a connecting bolt according to an embodiment of the present utility model;
fig. 6 is a schematic structural view of a bath towel according to an embodiment of the present utility model.
Reference numerals:
1-a bottom plate; 2-a skateboard; 3-rubbing the head; 4-connecting rods; 5-foot pedals; 6-parallelogram hinge telescopic mechanism; 7-rubbing towel;
101-sliding rails; 201-bump; 301-cover plate; 302-annular cylindrical projections; 303-supporting rods; 304-a third spring; 401-inserting a rod; 402-a sleeve; 403-a bar slot; 404-connecting bolts; 501-sucking disc; 502-mounting a rod; 503-a second spring; 601-a first hinge point; 602-a second hinge point; 603-a third hinge point; 604-a first spring; 701-lacing.
Detailed Description
Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.
As shown in fig. 1 and 2, the present embodiment discloses a back rubbing device, which comprises a bottom plate 1, a sliding plate 2, a rubbing head 3 and a connecting rod 4, wherein two ends of the bottom plate 1 are provided with a plurality of through holes, the bottom plate 1 is fixed on a wall through the through holes, two sliding rails 101 are arranged at intervals on one side of the bottom plate 1 far away from the wall, the two sliding rails 101 are all arranged along the vertical direction, a sliding groove is arranged on the inner side of the two sliding rails 101 in a penetrating manner along the vertical direction, the sliding plate 2 is arranged between the two sliding rails 101, and two ends of the sliding plate 2 in the width direction are respectively arranged in the two sliding grooves in a sliding manner, so that the sliding plate 2 can slide relative to the bottom plate 1 in the vertical direction; the rubbing head 3 is detachably and fixedly connected to one side of the sliding plate 2 far away from the bottom plate 1, and a distance is reserved between the rubbing head 3 and the bottom plate 1; the bottom of the connecting rod 4 is provided with a foot pedal 5, a distance is reserved between the foot pedal 5 and the ground, the top of the connecting rod 4 is connected with the sliding plate 2 through a parallelogram hinge telescopic mechanism 6, the parallelogram hinge telescopic mechanism 6 comprises a first hinge point 601 positioned at the bottommost part, a second hinge point 602 positioned at the topmost part and a third hinge point 603 adjacent to the first hinge point 601 along the direction of the center line of the parallelogram hinge telescopic mechanism, wherein the first hinge point 601 is hinged with the connecting rod 4, the second hinge point 602 is hinged with the sliding plate 2, the third hinge point 603 is hinged with the bottom plate 1, and a first spring 604 is connected between the first hinge point 601 and the third hinge point 603.
In this embodiment, the rubbing head 3 is used for sleeving a rubbing towel or a massaging towel, when in use, a user selectively sleeving the rubbing towel or the massaging towel on the rubbing head 3 according to needs, then stepping on the pedal 5 with feet to enable the pedal 5 to move downwards, so as to drive the connecting rod 4 to move downwards, and then the first hinge point 601 of the parallelogram hinge telescopic mechanism 6 connected with the connecting rod 4 correspondingly moves downwards, and as the third hinge point 603 is hinged with the fixed bottom plate 1, each hinge point including the second hinge point 602 above the third hinge point 603 moves upwards, so as to drive the sliding plate 2 and the rubbing head 3 to move upwards, and after the feet are loosened, the parallelogram hinge telescopic mechanism 6 can reset under the elastic force of the first spring 604, thereby realizing up-down reciprocating movement of the rubbing head 3, and the user only needs to approach the back to the head 3, so that back rubbing or massaging can be performed.
In order to prevent the foot pedal 5 from deviating from the vertical direction during the up-and-down movement, in this embodiment, a suction cup 501 is provided between the bottom of the foot pedal 5 and the ground, the suction cup 501 is provided at the bottom of one end of the foot pedal 5 far away from the wall, and referring to fig. 3, the suction cup 501 is specifically a double-sided suction cup, and the upper and lower ends of the suction cup are respectively attracted to the foot pedal 5 and the ground.
Further, referring to fig. 3, the connecting rod 4 is a telescopic rod, and includes, from top to bottom, a plug rod 401 and a sleeve 402 adapted to the plug rod 401, where the plug rod 401 and the sleeve 402 are slidably connected in a vertical direction, for adjusting the total length of the connecting rod 4, the bottom of the sleeve 402 is connected with the foot pedal 5, and the top of the plug rod 401 is connected with the parallelogram hinge telescopic mechanism 6. After the installation of the base plate 1 is completed, the distance between the foot board 5 and the ground can be changed by adjusting the length of the connecting rod 4, ensuring that the distance between the foot board 5 and the ground is not greater than the maximum displacement of the first hinge point 601.
Specifically, referring to fig. 3, the foot pedal 5 is connected to the sleeve 402 by a mounting rod 502, the mounting rod 502 is detachably connected to the foot pedal 5, a through hole is provided on the bottom wall of the sleeve 402, the mounting rod 502 is slidably inserted into the through hole, and a first stop block is provided on the top of the mounting rod 502, and the outer circumferential dimension of the first stop block is larger than the inner circumferential dimension of the through hole; a second spring 503 is sleeved on the outer periphery of the mounting rod 502, and the second spring 503 is abutted between the first stop block and the bottom wall of the sleeve 402; specifically, in practice, the sleeve 402 may be designed to be open at the bottom, and a cover is screwed to the bottom, and the cover is provided with a through hole for the mounting rod 502 to pass through, so as to facilitate mounting. When the distance between the foot pedal 5 and the ground is greater than the maximum displacement of the first hinge point 601 after installation, and the installer does not find it in time, the second spring 503 can play a certain role in buffering to prevent the parallelogram hinge telescoping mechanism 6 from being damaged, in practice, the elastic coefficient of the second spring 503 is greater than that of the first spring 604, and when the foot pedal 5 is installed at a normal height, the first spring 604 is compressed and the second spring 503 is in a free state after the foot pedal 5 is stepped.
Specifically, referring to fig. 3, a bar-shaped groove 403 is formed at the top of the insert rod 401, and the bottom of the parallelogram hinge telescopic mechanism 6 is inserted into the bar-shaped groove 403; a connecting hole is provided at the upper end of the inserting rod 401 to penetrate in the horizontal direction, the connecting hole penetrates through the side wall of the bar-shaped groove 403, a connecting bolt 404 is provided in the connecting hole in a penetrating manner, the first hinge point 601 is hinged with the inserting rod 401 through the connecting bolt 404, referring to fig. 5, through holes are provided on two intersecting scissor arms of the parallelogram hinge telescopic mechanism 6, the through holes on the two scissor arms are aligned with each other, the connecting bolt 404 is provided in the two through holes in a penetrating manner, so that the two scissor arms can rotate around the connecting bolt 404, and similarly, the second hinge point 602 and the third hinge point 603 are hinged with the sliding plate 2 and the bottom plate 1 through screws respectively.
Referring to fig. 4, a protrusion 201 is disposed at a side of the sliding plate 2 far from the base plate 1, a threaded hole is disposed on the protrusion 201, the rubbing head 3 is in a hollow structure, and includes a box body with an opening at one side, a cover plate 301 is buckled at the opening of the box body, a ring-shaped column-shaped protrusion 302 is disposed at a side of the cover plate 301 facing the box body, a channel penetrating the cover plate 301 is formed at an inner periphery of the ring-shaped column-shaped protrusion 302, a supporting rod 303 is slidably disposed in the channel, a second stop block is disposed at one end of the supporting rod 303 located in the rubbing head 3, an outer peripheral dimension of the second stop block is larger than an inner peripheral dimension of the channel, specifically, the channel is elliptical, correspondingly, an outer periphery of the supporting rod 303 contacting the channel is also elliptical, so as to prevent the supporting rod 303 and the ring-shaped column-shaped protrusion 302 from rotating relatively in a circumferential direction; the rubbing head 3 is connected with the sliding plate 2 through the supporting rod 303, one end of the supporting rod 303 is connected with the rubbing head 3 in a sliding way in the horizontal direction, the other end of the supporting rod is connected in a threaded hole of the protrusion 201 in a threaded way, a third spring 304 is sleeved on the periphery of the supporting rod 303, the third spring 304 is abutted between the cover plate 301 and the protrusion 201, and a user can adjust the back rubbing force by adjusting the force of the back abutted on the rubbing head 3; in practice, a jackscrew may be provided on the boss 201 in its radial direction, which is in abutment with the outer wall of the support rod 303, to prevent circumferential rotation of the support rod 303 relative to the boss 201.
In this embodiment, the rubbing head 3 is a mold for sleeving a rubbing towel or a massage towel, taking the rubbing towel as an example, referring to fig. 6, the inner peripheral shape of the rubbing towel 7 is adapted to the outer peripheral shape of the rubbing head 3, and openings are provided on one side of the rubbing towel 7 in the width direction and one side close to the sliding plate 2, the openings are indicated by dotted lines in fig. 6, and through holes are provided on one side of the rubbing towel close to the sliding plate 2, so that the protrusions 201 pass through. When in installation, the bath towel is sleeved on the bath head 3 along the opening, and then the bath towel is fixed by the lacing 701. The massage towel is only provided with massage bulges at one side close to the back of the human body, and the connection structure of the massage bulges and the rubbing head 3 is similar to that of the bath towel, and the details are not repeated here.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description.
Claims (6)
1. A back scrubber, comprising:
the bottom plate is fixedly connected with the wall, two sliding rails are arranged at one side of the bottom plate far away from the wall at intervals, the two sliding rails are arranged in the vertical direction, and a sliding groove is formed in the inner side of each sliding rail in a penetrating manner in the vertical direction;
the sliding plate is arranged between the two sliding rails, and two ends of the sliding plate in the width direction are respectively and slidably arranged in the two sliding grooves;
the rubbing head is detachably and fixedly connected with one side of the sliding plate far away from the bottom plate, a distance is reserved between the rubbing head and the bottom plate, and a rubbing towel or a massage towel is sleeved on the rubbing head;
the bottom of the connecting rod is provided with a pedal, the pedal is arranged along the horizontal direction, a distance is reserved between the pedal and the ground, the top of the connecting rod is connected with the sliding plate through a parallelogram hinging telescopic mechanism, the parallelogram hinging telescopic mechanism comprises a first hinging point positioned at the bottommost part, a second hinging point positioned at the topmost part and a third hinging point adjacent to the first hinging point along the central line direction of the connecting rod, the first hinging point is hinged with the connecting rod, the second hinging point is hinged with the sliding plate, the third hinging point is hinged with the bottom plate, and a first spring is connected between the first hinging point and the third hinging point;
the connecting rod is a telescopic rod and comprises an inserting rod and a sleeve matched with the inserting rod from top to bottom;
the bottom of the sleeve is connected with the pedal, and the top of the inserted link is connected with the parallelogram hinge telescopic mechanism;
the foot pedal is connected with the sleeve through a mounting rod, a through hole is formed in the bottom wall of the sleeve, the mounting rod is arranged in the through hole in a sliding penetrating mode, a first stop block is arranged at the top of the mounting rod, and the outer circumferential size of the first stop block is larger than the inner circumferential size of the through hole;
a second spring is sleeved on the periphery of the mounting rod and is abutted between the first stop block and the bottom wall of the sleeve;
the second spring has a spring rate greater than the spring rate of the first spring.
2. A back scrubber according to claim 1, wherein:
a sucker is arranged between the bottom of the pedal and the ground, and the top and the bottom of the sucker are respectively attracted with the pedal and the ground.
3. A back scrubber according to claim 1, wherein:
a strip-shaped groove is formed in the top of the inserted link, and the bottom of the parallelogram hinge telescopic mechanism is arranged in the strip-shaped groove in a penetrating manner;
the upper end of the inserted link is provided with a connecting hole in a penetrating way along the horizontal direction, the connecting hole penetrates through the side wall of the bar-shaped groove, a connecting bolt is arranged in the connecting hole in a penetrating way, and the first hinge point is hinged with the inserted link through the connecting bolt.
4. A back scrubber according to claim 1, wherein:
the rubbing head is connected with the sliding plate through a supporting rod, one end of the supporting rod is connected with the rubbing head in a sliding manner in the horizontal direction, and the other end of the supporting rod is detachably and fixedly connected with the sliding plate;
and a third spring is sleeved on the periphery of the supporting rod and is abutted between the rubbing head and the sliding plate.
5. A back scrubber according to claim 4, wherein:
the rubbing head is of a hollow structure and comprises a box body with an opening at one side, and a cover plate is buckled at the opening of the box body;
the cover plate is provided with a circular column-shaped bulge towards one side of the box body, the inner periphery of the circular column-shaped bulge forms a channel penetrating through the cover plate, and the supporting rod is arranged in the channel in a penetrating way;
one end of the support rod, which is positioned in the rubbing head, is provided with a second stop block, and the outer circumferential dimension of the second stop block is larger than the inner circumferential dimension of the channel.
6. A back scrubber according to claim 5, wherein:
a bulge is arranged on one side of the sliding plate far away from the bottom plate, a threaded hole is formed in the bulge, and one end of the supporting rod, which is close to the sliding plate, is in threaded connection with the threaded hole;
the third spring is abutted between the protrusion and the cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910004410.6A CN109620028B (en) | 2019-01-03 | 2019-01-03 | Back rubbing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910004410.6A CN109620028B (en) | 2019-01-03 | 2019-01-03 | Back rubbing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109620028A CN109620028A (en) | 2019-04-16 |
| CN109620028B true CN109620028B (en) | 2023-12-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910004410.6A Active CN109620028B (en) | 2019-01-03 | 2019-01-03 | Back rubbing device |
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| Country | Link |
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| CN (1) | CN109620028B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114947579A (en) * | 2022-07-08 | 2022-08-30 | 陈坚 | Device for scratching back and itching without requiring people to wipe back |
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| CN205148336U (en) * | 2015-11-25 | 2016-04-13 | 新昌县泽宇智能科技有限公司 | Intelligence hairdressing lateral part belt cleaning device of robot |
| CN105902224A (en) * | 2016-06-18 | 2016-08-31 | 上海大学 | Hand-pulling back rubbing machine |
| CN107647817A (en) * | 2017-11-14 | 2018-02-02 | 杜鑫 | A kind of household bathroom wall hanging back rubbing device |
| CN107928511A (en) * | 2017-12-30 | 2018-04-20 | 沈阳工业大学 | The simple rubbing machine of hand self |
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