CN214062167U

CN214062167U - Wheelchair auxiliary ramp plate

Info

Publication number: CN214062167U
Application number: CN202023003280.1U
Authority: CN
Inventors: 汪兴国; 吴云兰; 李浩然
Original assignee: Shanghai Yunlan Architectural Decoration Engineering Co ltd
Current assignee: Shanghai Yunlan Architectural Decoration Engineering Co ltd
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2021-08-27
Anticipated expiration: 2030-12-14

Abstract

The utility model relates to a slope board is assisted to wheelchair, relate to wheelchair auxiliary assembly's field, including the hang plate, the hang plate includes the fixed plate, the extension plate, the fixed plate includes fixed frame, the fixed network, fixed frame is one end opening frame column structure, fixed network fixed connection is in fixed frame top, the extension plate includes the extension frame, the extension net, the extension frame is frame column structure, extension net fixed connection is in extension frame top, the extension frame is located fixed frame inside, and extension frame one end is located outside fixed frame, the extension frame can be dismantled and connect in fixed frame. This application has the effect that improves ramp plate suitability.

Description

Wheelchair auxiliary ramp plate

Technical Field

The application relates to the field of wheelchair auxiliary equipment, in particular to a wheelchair auxiliary ramp plate.

Background

The wheelchair is an important tool for assisting the disabled and the old to go out, the disabled and the old can reach some places by the wheelchair, and certain obstacles are brought to the movement of the wheelchair on some step roads in life.

At present, the steps on the wheelchair mainly depend on a slope plate, the slope plate is generally a rectangular plate, the slope plate and the steps are in lap joint to form a slope, the wheelchair can conveniently go up the steps along the slope formed by the slope plate, and the slope plate is used for going up and down the steps of the wheelchair.

In view of the above-mentioned related art, the inventor believes that the ramp plate is generally suitable for a step of a fixed height, and the applicability is low.

SUMMERY OF THE UTILITY MODEL

In order to improve the suitability of ramp plate, this application provides a wheelchair-assisted ramp plate.

The application provides a supplementary ramp plate of wheelchair adopts following technical scheme:

the utility model provides a supplementary ramp plate of wheelchair, includes the hang plate, the hang plate includes fixed plate, extension plate, the fixed plate includes fixed frame, fixed network, fixed frame is one end opening frame column structure, fixed network fixed connection is at fixed frame top, the extension plate includes extension frame, extension net, the extension frame is frame column structure, extension net fixed connection is in extension frame top, the extension frame is located fixed frame inside, and extension frame one end is located fixed frame outside, the extension frame can be dismantled and connect in fixed frame.

By adopting the technical scheme, when the ramp plate is used at a step with lower height, such as an indoor two-stage step, the extension frame is separated from the fixed frame, the fixed outer frame is erected at the step, the fixed frame and the fixed net form a slope between the top of the step and the ground, and the wheelchair of the old can go up and down the step along the slope, so that the old can conveniently use the ramp plate to go up and down the step indoors; when the ramp plate is used on a step with higher height, such as an outdoor four-stage step, the extension frame and the fixed frame are spliced, the length of the fixed frame is extended, the spliced fixed frame is erected between the top of the step and the ground to form a slope, and a wheelchair for the old can go up and down the step along the slope, so that the old can conveniently use the ramp plate to go up and down the step outdoors; the combination of the fixing frame and the fixing net and the combination of the extension frame and the extension net are adopted, so that the weight of the ramp plate can be effectively reduced, and the ramp plate is convenient to carry.

Optionally, mounting holes are formed in the fixing frame and the extension frame, the mounting holes in the fixing frame correspond to the mounting holes in the extension frame, and mounting rods are inserted into the mounting holes.

By adopting the technical scheme, the extension frame and the fixing frame need to be spliced, the extension frame is inserted into the fixing frame, the position of the extension frame is adjusted, the mounting hole of the fixing frame is aligned with the mounting hole in the extension frame, the mounting rod is inserted into the mounting hole, the splicing of the fixing frame and the extension frame can be completed, the mounting method is simple and rapid, and the old people can independently complete the splicing.

Optionally, one side of the fixed frame far away from the open end is provided with a horizontal plate, the horizontal plate is rotatably connected to the fixed frame, and the horizontal plate rotates the axis level and is parallel to the side of the horizontal plate connected with the fixed frame.

By adopting the technical scheme, when the wheelchair is used, the horizontal plate is placed at the top of the step, and friction force exists between the horizontal plate and the step, so that the horizontal plate is not easy to slide relative to the step in the horizontal direction, the fixed frame is not easy to move in the horizontal direction, the stability of the fixed frame is improved, the probability of moving the fixed frame in the process of moving the wheelchair on the fixed net is reduced, and the safety of the old is ensured; when not using the ramp plate, can rotate the horizontal plate, rotate the horizontal plate to the fixed network top, conveniently accomodate and carry.

Optionally, the fixed frame is provided with a telescopic rod, the telescopic rod can be detachably connected to two sides of the rotating axis of the fixed frame perpendicular to the horizontal plate, and the length of the telescopic rod can be adjusted.

Through adopting above-mentioned technical scheme, when using on lower step, can separate telescopic link and fixed frame, need not use the telescopic link, when using on higher step, will prolong frame and fixed frame concatenation, couple together the telescopic link with fixed frame, and adjust the length of telescopic link, when making horizontal plate and step butt, telescopic link and ground butt, because fixed frame length is elongated, the part that fixed frame soared also increases, set up the telescopic link and play the supporting role to fixed frame, share wheelchair weight, reduce the impaired probability of fixed frame.

Optionally, the telescopic rod includes a telescopic outer tube and a telescopic inner tube, the telescopic inner tube is inserted into the telescopic outer tube, an inner tube hole penetrating through the telescopic inner tube is formed in the telescopic inner tube, an outer tube hole penetrating through the outer tube is formed in the telescopic outer tube, the inner tube hole is aligned with the outer tube hole, a first fixing rod is inserted into the outer tube hole, and the inner tube hole is provided with a plurality of inner tube holes along the length direction of the telescopic inner tube.

Through adopting above-mentioned technical scheme, take out first dead lever, the flexible inner tube of operation slides in flexible outer tube for interior pipe orifice aligns with the outer tube bore of difference, then inserts first dead lever, with the regulation that realizes telescopic link length, this regulative mode is simple and efficient.

Optionally, the fixed frame is connected with a first connecting rod in a threaded manner, and the telescopic outer pipe is connected with the first connecting rod in a threaded manner.

Through adopting above-mentioned technical scheme, to stretch out and draw back the outer tube and couple together through the mode of screw thread with the head rod, realize being connected of telescopic link and fixed frame promptly, when dismantling the telescopic link, rotate flexible outer tube make flexible outer tube and head rod separation can, simple swift.

Optionally, be provided with the sucking disc on the horizontal plate, the sucking disc is located the horizontal plate and keeps away from the position of fixed frame, and threaded connection has the bracing piece on the sucking disc, bracing piece threaded connection in horizontal plate.

By adopting the technical scheme, when in use, the sucker can be connected with the horizontal plate through the supporting rod, so that the sucker is adsorbed on the top of the step, on one hand, the connection between the horizontal plate and the step can be enhanced, the stability of the ramp plate in the use process is improved, and the sucker is convenient to replace after being damaged; on the other hand, the indoor steps are mostly made of ceramic tiles, and the arrangement of the suckers can reduce the damage effect of the horizontal plates on the steps; when the support rod is used outdoors, the support rod can be detached.

Optionally, the horizontal plate is further provided with a rubber column, the rubber column is arranged on one side, close to the fixed frame, of the sucker, the rubber column is connected with a second connecting rod in a threaded mode, and the second connecting rod is connected to the horizontal plate in a threaded mode.

Through adopting above-mentioned technical scheme, during indoor use, pass through the second connecting rod with the rubber column and connect on the horizontal plate, rubber column and step butt for the horizontal plate keeps the level under the combined action of rubber column and sucking disc, and the rubber column can also play the supporting role to the horizontal plate in addition, shares the weight of wheelchair, reduces the probability of horizontal plate damage.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the fixing plate is detachably connected with the extension plate, and the length of the fixing plate is adjusted, so that the ramp plate can be suitable for steps with different heights, and the applicability of the ramp plate is improved;

2. by arranging the telescopic rod, the supporting effect on the fixed frame is enhanced, and the probability of damage to the fixed frame is reduced;

3. through setting up the sucking disc, improve the stability of ramp plate in the use.

Drawings

FIG. 1 is a schematic view of the overall structure of a wheelchair-assisted ramp plate according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of an embodiment of the present application used at a lower step;

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

FIG. 4 is an exploded view of the telescoping pole;

fig. 5 is an exploded view showing the attachment of the suction cup to the rubber post.

Description of reference numerals: 1. an inclined plate; 11. a fixing plate; 111. a fixing frame; 1111. mounting holes; 1112. mounting a rod; 112. fixing the net; 12. an extension plate; 121. a lengthening frame; 122. lengthening the net; 2. a horizontal plate; 21. a suction cup; 211. a support bar; 22. a rubber column; 221. a second connecting rod; 3. a telescopic rod; 31. a telescopic outer tube; 311. an outer tube hole; 312. a first fixing lever; 313. a first connecting rod; 32. an inner telescopic pipe; 321. an inner tube bore; 4. a reinforcing rod; 41. reinforcing the outer pipe; 411. an outer reinforcement hole; 412. a second fixing bar; 413. a third fixing bar; 42. reinforcing the inner pipe; 421. and an inner reinforcing hole.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a wheelchair auxiliary ramp plate. Referring to fig. 1 and 2, an auxiliary ramp plate for a wheelchair includes an inclined plate 1, the inclined plate 1 includes a fixed plate 11 and an extension plate 12, the extension plate 12 is detachably connected to the fixed plate 11, and one end of the extension plate 12 extends out of the fixed plate 11 along the length direction of the fixed plate 11; when the wheelchair is used at a lower step, the extension plate 12 is separated from the fixed plate 11, the fixed plate 11 and the step are separately used to be lapped into an inclined plane, and the wheelchair goes up and down the step by virtue of the inclined plane; when the wheelchair is used at a higher step, the extension plate 12 and the fixing plate 11 are spliced, the fixing plate 11 and the step are lapped into an inclined plane after the length of the fixing plate 11 is prolonged, and the wheelchair goes up and down the step by means of the inclined plane and changes the length of the fixing plate 11, so that the fixing plate 11 is suitable for the steps with different heights, and the applicability of the ramp plate is improved.

Referring to fig. 1 and 3, the fixed plate 11 includes fixed frame 111, fixed net 112, fixed frame 111 is length direction one end open-ended rectangle frame column structure, fixed net 112 fixed connection is in fixed frame 111 top, extension plate 12 includes extension frame 121, extension net 122, the extension frame is one end open-ended frame column structure, extension net 122 fixed connection is at the top of extension frame 121, extension frame 121 is located inside fixed frame 111, and extension frame 121 one end is located outside fixed frame 111, mounting hole 1111 has been seted up on fixed frame 111 and the extension frame 121, mounting hole 1111 on the fixed frame 111 corresponds with mounting hole 1111 on the extension frame 121, along fixed frame 111 length direction, the multiunit has been seted up to the mounting hole 1111, the interpolation of mounting hole 1111 is equipped with installing pole 1112. When the extension frame 121 is spliced with the fixed frame 111, the extension frame 121 is inserted into the fixed frame 111, the mounting hole 1111 in the fixed frame 111 is matched with the mounting hole 1111 in the extension frame 121 according to the height of a step, the mounting hole 1111 in the fixed frame 111 is aligned with the mounting hole 1111 in the extension frame 121, then the fixing rod is inserted into the mounting hole 1111, splicing of the fixed frame 111 and the extension frame 121 is completed, the mounting rod 1112 is pulled out when the fixed frame 111 and the extension frame 121 are disassembled, and the fixed frame 111 and the extension frame 121 are separated simply and quickly; the weight of the ramp plate can be effectively reduced by combining the fixing frame 111 with the fixing net 112 and combining the extension frame 121 with the extension net 122, and the ramp plate is convenient to carry.

Referring to fig. 2 and 3, two sets of telescopic rods 3 are arranged on the fixed frame 111 along the length direction of the fixed frame 111, the telescopic rods 3 are arranged on the side wall of the fixed frame 111 extending along the length direction, each telescopic rod 3 comprises a telescopic outer tube 31 and a telescopic inner tube 32, the telescopic inner tube 32 is inserted into the telescopic outer tube 31, an inner tube hole 321 penetrating through the telescopic inner tube 32 is formed in the telescopic inner tube 32, an outer tube hole 311 penetrating through the outer tube is formed in the telescopic outer tube 31, the inner tube hole 321 is aligned with the outer tube hole 311, a first fixing rod 312 is inserted into the outer tube hole 311, and a plurality of inner tube holes 321 are formed along the length direction of the telescopic inner tube 32; the fixing frame 111 is screwed with a first connecting rod 313, and the telescopic outer tube 31 is screwed with the first connecting rod 313. At lower step, when using like indoor two-stage step department, telescopic link 3 is the separation form with fixed frame 111, when using in higher step department, be connected extension plate 12 and fixed plate 11, then with head rod 313 threaded connection on fixed frame 111, be connected flexible outer tube 31 and head rod 313, accomplish the installation of telescopic link 3, then adjust the position of flexible inner tube 32 in flexible outer tube 31 according to fixed plate 11 length, insert first dead lever 312 and locate in outer tube hole 311, make flexible interior pole and ground or step butt, telescopic link 3 plays the supporting role to fixed frame 111, share the weight of wheelchair, reduce the probability that fixed frame 111 damaged.

Referring to fig. 2, a reinforcing rod 4 is arranged between a supporting rod 211 and a fixing frame 111, the reinforcing rod 4, a telescopic rod and the fixing frame 111 are spliced to form a triangular area, which is beneficial to improving stability, the reinforcing rod 4 comprises a reinforcing outer tube 41 and a reinforcing inner tube 42, the reinforcing inner tube 42 is inserted into the reinforcing outer tube 41, an inner reinforcing hole 421 penetrating through the reinforcing inner tube 42 is formed in the reinforcing inner tube 42, an outer mounting hole 1111 penetrating through the outer tube is formed in the reinforcing outer tube 41, the inner reinforcing hole 421 is aligned with the outer mounting hole 1111, a second fixing rod 412 is inserted into the outer mounting hole 1111, and a plurality of inner reinforcing holes 421 are formed along the length direction of the reinforcing inner tube 42; the reinforced inner pipe 42 and the telescopic outer pipe 31 are abutted to the side faces far away from each other, a through hole matched with the outer pipe hole 311 is formed in the reinforced inner pipe 42, the first fixing rod 312 penetrates through the through hole and the outer pipe hole 311, the reinforced outer pipe 41 is abutted to the side wall of the fixed frame 111, a through hole matched with the mounting hole 1111 is formed in the reinforced outer pipe 41, a third fixing rod 414 is inserted into the through hole, and the third fixing rod 414 penetrates through the mounting hole 1111. The position of the reinforcing inner pipe 42 in the reinforcing outer pipe 41 is adjusted, so that the outer mounting hole 1111 is aligned with different inner reinforcing holes 421, then the second fixing rod 412 is inserted into the outer mounting hole 1111, the length of the reinforcing rod 4 is adjusted, the length of the appropriate reinforcing rod 4 is determined according to the length of the telescopic rod 3, then the through hole in the inner reinforcing pipe is aligned with the outer pipe hole 311, the first fixing rod 312 is inserted into the through hole and the outer pipe hole 311, the through hole in the outer reinforcing pipe is aligned with the mounting hole 1111, the third fixing rod 414 is inserted into the through hole and the mounting hole 1111, and the assembly is completed, and the operation is convenient and fast. The extension frame 121 is provided with the expansion link 3 and the reinforcement link 4 having the same structure as those of the fixed frame 111, so that the extension frame 121 and the fixed frame 111 can be maintained at the same inclined plane.

Referring to fig. 1 and 5, one end of the fixed frame 111, which is far away from the extension frame 121, is rotatably connected with the horizontal plate 2, the rotation axis of the horizontal plate 2 is horizontal and parallel to the side of the horizontal plate 2 connected with the fixed frame 111, and one side of the horizontal plate 2, which is far away from the fixed plate 11, is inclined downwards. When the device is used, the horizontal plate 2 is abutted against the top of the step, so that the contact area between the fixed plate 11 and the step is increased, the friction force between the fixed plate 11 and the step is increased, and the stability of the fixed plate 11 is improved; when not using, rotate horizontal plate 2 for horizontal plate 2 is located fixed network 112 top, reduces whole area, convenient storage.

Referring to fig. 4 and 5, a suction cup 21 and a rubber column 22 are arranged at the bottom of the horizontal plate 2, the suction cup 21 is located at a position of the horizontal plate 2 far away from the fixing frame 111, a support rod 211 is connected to the suction cup 21 in a threaded manner, and the support rod 211 is connected to the horizontal plate 2 in a threaded manner; the rubber column 22 is arranged on one side of the sucking disc 21 close to the fixing frame 111, two rubber columns 22 are arranged along the direction perpendicular to the rotation axis of the horizontal plate 2, the rubber column 22 is connected with a second connecting rod 221 through threads, and the second connecting rod 221 is connected with the horizontal plate 2 through threads. Most of the indoor steps are provided with tiles, when the indoor table is used, the sucker 21 is connected to the horizontal plate 2 through the supporting rod 211, and the rubber column 22 is connected to the horizontal plate 2 through the second connecting rod 221, so that the contact between the horizontal plate 2 and the top of the step is converted into the direct contact between the sucker 21 and the rubber column 22, and the damage to the step is reduced; and the sucking disc 21 can adsorb on the step, strengthens the connectivity between horizontal plate 2 and the step, improves the stability in the ramp plate use, and the rubber column 22 shares the gravity of wheelchair on horizontal plate 2, reduces the probability that horizontal plate 2 damaged.

Referring to fig. 4 and 5, the position of the fixed frame 111 far from the horizontal plate 2, the position of the extension frame 121 far from the horizontal plate 2, and the bottom of the telescopic inner tube 32 are also provided with a suction cup 21 and a support rod 211 which have the same structures as the suction cup 21 and the support rod 211 on the horizontal plate 2, and the suction cup 21 on the fixed frame 111 or the extension frame 121 is adsorbed to the ground, so as to further enhance the stability of the ramp plate in the use process; the first connecting rod 313 and the second connecting rod 221 have the same structure, that is, the first connecting rod 313 is also provided with a connecting rubber column 22, when the fixing plate 11 is used at a lower step, the rubber column 22 is connected to the first connecting rod 313, the rubber column 22 is rotated, so that the rubber column 22 and the first connecting rod 313 move relatively in the vertical direction, the distance from the bottom of the rubber column 22 to the fixing frame 111 is changed, the rubber column 22 is abutted to the step or the ground, the rubber column 22 shares the weight of the wheelchair on the fixing frame 111, and the probability of damage to the fixing frame 111 is reduced.

The implementation principle of the wheelchair auxiliary ramp plate in the embodiment of the application is as follows: at lower step, when using like indoor two-stage step department, fixed plate 11 is in the separation state with extension plate 12, connect sucking disc 21 on horizontal plate 2 and fixed frame 111 through bracing piece 211, connect rubber column 22 on horizontal plate 2 through second connecting rod 221, also connect rubber column 22 on the head rod 313 of fixed plate simultaneously, form the slope with fixed frame 111 and step overlap joint, horizontal plate 2 is located the step simultaneously, sucking disc 21 on horizontal plate 2 adsorbs on the step, the absorption of fixed frame 111 is subaerial, the operation wheelchair is along the upper and lower step of fixed network 112.

When the extension frame 121 is used at a higher step, such as an outdoor four-stage step, the extension frame 121 is inserted into the fixed frame 111, the length of the fixing plate 11 is determined according to the height of the step, the position of the extension frame 121 in the fixed frame 111 is adjusted, so that a proper mounting hole 1111 in the extension frame 121 is aligned with a mounting hole 1111 in the fixed frame 111, and the mounting rod 1112 is inserted into the mounting hole 1111; connecting the fixed outer pipe with the fixed frame 111 through a first connecting rod 313, adjusting the position of the telescopic inner pipe 32 in the telescopic outer pipe 31 to align the proper inner pipe hole 321 with the outer pipe hole 311, inserting the first fixing rod 312 in the outer pipe hole 311 to enable the telescopic inner pipe 32 to be abutted against the ground or a step, aligning the through hole on the inner reinforcing pipe with the outer pipe hole 311, inserting the first fixing rod 312 in the through hole and the outer pipe hole 311, adjusting the relative position of the inner reinforcing pipe and the outer reinforcing pipe to enable the proper inner reinforcing hole 421 to be aligned with the outer reinforcing hole 411, aligning the through hole on the outer reinforcing pipe with the mounting hole 1111, inserting the second fixing rod 412 in the outer reinforcing hole 411, and inserting the third fixing rod 414 in the through hole and the mounting hole 1111; the wheelchair goes up and down the steps along the extension net 122 and the fixing net 112, and the telescopic rods 3 and the reinforcing rods 4 cooperate to support the fixing frame 111.

The ramp plate can be used for climbing up and down steps at lower steps and higher steps, so that the applicability of the ramp plate is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a ramp plate is assisted to wheelchair which characterized in that: including hang plate (1), hang plate (1) is including fixed plate (11), extension plate (12), fixed plate (11) are including fixed frame (111), fixed net (112), fixed frame (111) are one end opening frame column structure, fixed net (112) fixed connection is in fixed frame (111) top, extension plate (12) are including extension frame (121), extension net (122), extension frame (121) are frame column structure, extension net (122) fixed connection is in extension frame (121) top, extension frame (121) are located inside fixed frame (111), and outside extension frame (121) one end is located fixed frame (111), extension frame (121) can be dismantled and connect in fixed frame (111).

2. A wheelchair-assisted ramp as claimed in claim 1, wherein: mounting holes (1111) are formed in the fixing frame (111) and the extension frame (121), the mounting holes (1111) in the fixing frame (111) correspond to the mounting holes (1111) in the extension frame (121), and mounting rods (1112) are inserted into the mounting holes (1111).

3. A wheelchair-assisted ramp as claimed in claim 1, wherein: one side of the open end of the fixed frame (111) far away from is provided with a horizontal plate (2), the horizontal plate (2) is rotatably connected to the fixed frame (111), and the rotation axis of the horizontal plate (2) is horizontal and parallel to the side surface of the horizontal plate (2) connected with the fixed frame (111).

4. A wheelchair-assisted ramp as claimed in claim 1, wherein: the telescopic rod (3) is arranged on the fixed frame (111), the telescopic rod (3) can be detachably connected to two sides of the fixed frame (111) perpendicular to the rotation axis of the horizontal plate (2), and the length of the telescopic rod (3) can be adjusted.

5. A wheelchair-assisted ramp as claimed in claim 4, wherein: the telescopic rod (3) comprises a telescopic outer tube (31) and a telescopic inner tube (32), the telescopic inner tube (32) is inserted into the telescopic outer tube (31), an inner tube hole (321) penetrating through the telescopic inner tube (32) is formed in the telescopic inner tube (32), an outer tube hole (311) penetrating through the outer tube is formed in the telescopic outer tube (31), the inner tube hole (321) is aligned to the outer tube hole (311), a first fixing rod (312) is inserted into the outer tube hole (311), and the inner tube hole (321) is provided with a plurality of fixing rods along the length direction of the telescopic inner tube (32).

6. A wheelchair-assisted ramp as claimed in claim 5, wherein: the fixing frame (111) is connected with a first connecting rod (313) in a threaded mode, and the telescopic outer tube (31) is connected with the first connecting rod (313) in a threaded mode.

7. A wheelchair-assisted ramp as claimed in claim 3, wherein: be provided with sucking disc (21) on horizontal plate (2), sucking disc (21) are located horizontal plate (2) and keep away from the position of fixed frame (111), and threaded connection has bracing piece (211) on sucking disc (21), bracing piece (211) threaded connection in horizontal plate (2).

8. A wheelchair-assisted ramp as claimed in claim 7, wherein: still be provided with rubber column (22) on horizontal plate (2), rubber column (22) set up in sucking disc (21) and are close to fixed frame (111) one side, and threaded connection has second connecting rod (221) on rubber column (22), and second connecting rod (221) threaded connection is in horizontal plate (2).