CN209751410U - Stretcher with self-locking mechanism - Google Patents
Stretcher with self-locking mechanism Download PDFInfo
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- CN209751410U CN209751410U CN201822176631.5U CN201822176631U CN209751410U CN 209751410 U CN209751410 U CN 209751410U CN 201822176631 U CN201822176631 U CN 201822176631U CN 209751410 U CN209751410 U CN 209751410U
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- locking mechanism
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Abstract
The utility model relates to a stretcher with self-locking mechanism, including the stretcher main part, the stretcher main part includes upper portion frame, preceding supporting leg and back supporting leg, the bottom of preceding supporting leg and back supporting leg all is provided with the truckle, contained angle between the back end of preceding supporting leg and upper portion frame sets up to the obtuse angle, is provided with the head rod between the hypomere of two preceding supporting legs, is provided with the second connecting rod between the hypomere of two back supporting legs, be connected with the first down tube of two bilateral symmetry arrangements between the middle section of head rod and upper portion frame, be connected with the second down tube of two bilateral symmetry arrangements between the back end of second connecting rod and upper portion frame, the below of the back end of upper portion frame is provided with self-locking mechanism, self-locking mechanism is located the rear of back supporting leg. The utility model relates to a stretcher with self-locking mechanism factor of safety is high, the operation is convenient fast, avoided the secondary injury to sick and wounded.
Description
Technical Field
The utility model relates to a stretcher with self-locking mechanism belongs to medical instrument technical field.
background
The stretcher is the most commonly used tool for transporting patients in hospitals, the existing stretcher has a prominent defect that the center of gravity is unstable and the existing stretcher is easy to topple over, accidents that the patients fall off the stretcher from the stretcher occur for a plurality of times in the transporting process, and some patients are even broken into bone fracture, which is common in all hospitals. Therefore, the device has higher requirements on the transportation of medical rescue equipment after the field injury, namely, the device is quick and convenient to operate, has small secondary injury to the wounded and the sick, and achieves high-efficiency and high-quality transportation after the injury.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned not enough, provide a structural design is reasonable, factor of safety is high, the operation is convenient fast, avoided the stretcher with self-locking mechanism to sick and wounded's secondary injury.
The purpose of the utility model is realized like this: a stretcher with a self-locking mechanism comprises a stretcher main body, wherein the stretcher main body comprises an upper frame, two front supporting legs which are arranged in a bilateral symmetry way and two rear supporting legs which are arranged in a bilateral symmetry way, a plurality of longitudinal connecting shafts are arranged in the upper frame along the length direction of the upper frame, a front group of idler wheels and a rear group of idler wheels are arranged at the bottom of the upper frame, the bottom ends of the front supporting legs and the rear supporting legs are respectively provided with a caster wheel, the included angle between the front supporting legs and the rear section of the upper frame is an obtuse angle, a first connecting rod is arranged between the lower sections of the two front supporting legs, a second connecting rod is arranged between the lower sections of the two rear supporting legs, two first inclined rods which are symmetrically arranged at the left and the right are connected between the first connecting rod and the middle section of the upper frame, two second inclined rods which are symmetrically arranged left and right are connected between the second connecting rod and the rear section of the upper frame;
A self-locking mechanism is arranged below the rear section of the upper frame, the self-locking mechanism comprises a handle, a pull rod, a fixed seat, a connecting sheet and a locking sheet, the front section of the handle is rotationally connected with a longitudinal connecting shaft of the upper frame, the fixed seat is fixedly arranged at the bottom of the upper frame and is positioned in front of the handle, the locking sheet and the connecting sheet are sequentially arranged on the inner side of the fixed seat, the lower section of the fixed seat is sequentially connected with the front section of the locking sheet and the lower section of the connecting sheet through a second screw and a shaft sleeve, the pull rod is arranged between the handle and the connecting sheet, one end of the pull rod is connected with the front end of the handle, the other end of the pull rod is fixedly connected with the upper section of the connecting sheet through a first screw, the front section of the locking sheet is provided with a chute along, the second screw is positioned in the clamping opening, the front end of the locking plate is provided with a blocking piece bent inwards, the lower section of the connecting piece is provided with a lug extending forwards, the front side surface of the lug is contacted with the rear side surface of the blocking piece, and the rear section of the locking plate is connected with a reset spring on the longitudinal connecting shaft;
Preferably, the fixing seat comprises a horizontal section and a vertical section, the horizontal section is fixedly connected with the bottom of the upper frame, and the top end of the vertical section is fixedly connected with the inner end of the horizontal section.
preferably, the lower section of the vertical section is fixedly connected with the second screw in a welding manner.
Preferably, the bottom of the upper frame is provided with a front group of rollers and a rear group of rollers.
Compared with the prior art, the beneficial effects of the utility model are that:
the contained angle between preceding supporting leg of stretcher in the past and the upper portion frame sets up to the right angle, when transporting sick and wounded personnel, because the mistake of staff hits the mistake and plays, preceding supporting leg is very easily folding shrink to cause whole stretcher accident to empty, bring serious secondary injury for sick and wounded personnel, and the utility model discloses contained angle between the preceding supporting leg of well stretcher and the upper portion frame sets up to the obtuse angle, as long as the truckle of preceding supporting leg hugs closely ground, just can never not play because the mistake of staff hits folding shrink easily, and the shrink of supporting leg is folding behind the self-locking mechanism control through setting up special construction, dual guarantee, high factor of safety.
Drawings
Fig. 1 is a schematic structural view of the stretcher with the self-locking mechanism of the present invention.
Fig. 2 is a partial enlarged view of the stretcher with the self-locking mechanism of the present invention.
Fig. 3 is a schematic structural view of the self-locking mechanism in fig. 1.
Fig. 4 is a schematic structural view of the locking plate in fig. 3.
Wherein:
Stretcher main body 200, upper frame 201, front support leg 202, rear support leg 203, caster 204, first diagonal bar 205, second diagonal bar 206, longitudinal connecting shaft 207, return spring 208, roller 209
The handle 301, the pull rod 302, the fixing seat 303, the connecting piece 304, the bump 304.1, the locking piece 305, the sliding groove 305.1, the bayonet 305.2, the blocking piece 305.3, the first screw 306, the second screw 307 and the shaft sleeve 308.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention relates to a stretcher with a self-locking mechanism, which comprises a stretcher main body 200, wherein the stretcher main body 200 comprises an upper frame 201, two front support legs 202 arranged in a bilateral symmetry manner and two rear support legs 203 arranged in a bilateral symmetry manner, a plurality of longitudinal connecting shafts 207 are arranged in the upper frame 201 along the length direction thereof, a front set of rollers 209 and a rear set of rollers 209 are arranged at the bottom of the upper frame 201, so that when the stretcher is loaded on an ambulance, the stretcher can be smoothly and rapidly pushed into and loaded on a platform of the ambulance, casters 204 are arranged at the bottom ends of the front support legs 202 and the rear support legs 203, the front support legs 202 are connected below the front section of the upper frame 201, an included angle between the front support legs 202 and the rear section of the upper frame 201 is set to be an obtuse angle, the rear support legs 203 are connected below the rear section of the upper frame 201, a first connecting rod is arranged between the lower sections of the two front supporting legs 202, a second connecting rod is arranged between the lower sections of the two rear supporting legs 203, two first inclined rods 205 which are symmetrically arranged left and right are connected between the first connecting rod and the middle section of the upper frame 201, and two second inclined rods 206 which are symmetrically arranged left and right are connected between the second connecting rod and the rear section of the upper frame 201;
A self-locking mechanism is arranged below the rear section of the upper frame 201 and is positioned behind the rear supporting leg 203, the self-locking mechanism comprises a handle 301, a pull rod 302, a fixed seat 303, a connecting piece 304 and a locking piece 305, the front section of the handle 301 is rotationally connected with a longitudinal connecting shaft 207 of the upper frame 201, the fixed seat 303 is fixedly arranged at the bottom of the upper frame 201, the fixed seat 303 is positioned in front of the handle 301, the locking piece 305 and the connecting piece 304 are sequentially arranged at the inner side of the fixed seat 303, the lower section of the fixed seat 303 is sequentially connected with the front section of the locking piece 305 and the lower section of the connecting piece 304 through a second screw 307 and a shaft sleeve 308, the pull rod 302 is arranged between the handle 301 and the connecting piece 304, one end of the pull rod 302 is connected with the front end of the handle 301, and the other end of the pull rod 302 is, a sliding groove 305.1 is formed in the front section of the locking plate 305 along the length direction of the front section of the locking plate 305, a bayonet 305.2 extending upwards is arranged on the front section of the sliding groove 305.1, the bayonet 305.2 is communicated with the sliding groove 305.1, the second screw 307 is positioned in the bayonet 305.2, a baffle 305.3 bending inwards is arranged at the front end of the locking plate 305, a convex block 304.1 extending forwards is arranged on the lower section of the connecting plate 304, the front side surface of the convex block 304.1 is in contact with the rear side surface of the baffle 305.3, and the rear section of the locking plate 305 is connected with a return spring 208 on the longitudinal connecting shaft 207;
the fixing seat 303 includes a horizontal section and a vertical section, the horizontal section is fixedly connected with the bottom of the upper frame 201, the top end of the vertical section is fixedly connected with the inner end of the horizontal section, and the lower section of the vertical section is fixedly connected with the second screw 307 in a welding manner.
The working principle is as follows: the stretcher vehicle is manually pushed to move forwards, when the stretcher vehicle touches a stand of the ambulance and the truckles of the front supporting legs lift off the ground, the front supporting legs rotate backwards and are folded, meanwhile, the front section of the handle is manually and upwardly pinched to drive the pull rod to move backwards, so that the connecting sheet rotates anticlockwise around the second screw, the lug of the connecting sheet pushes the blocking piece to move upwards, the second screw is positioned in the sliding groove of the locking sheet, the rear supporting legs can timely rotate backwards and are folded when touching the stand of the ambulance, and the operation is convenient and rapid; when the stretcher is pulled down from the ambulance, the front and rear support legs may quickly return to their original positions due to the force of the return springs.
The above is only a specific application example of the present invention, and does not constitute any limitation to the protection scope of the present invention. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.
Claims (4)
1. The utility model provides a stretcher with self-locking mechanism, includes stretcher main part (200), its characterized in that: the stretcher main body (200) comprises an upper frame (201), two front supporting legs (202) which are arranged in a bilateral symmetry way and two rear supporting legs (203) which are arranged in a bilateral symmetry way, a plurality of longitudinal connecting shafts (207) are arranged in the upper frame (201) along the length direction, the bottom ends of the front supporting leg (202) and the rear supporting leg (203) are respectively provided with a caster (204), the included angle between the front supporting legs (202) and the rear section of the upper frame (201) is an obtuse angle, a first connecting rod is arranged between the lower sections of the two front supporting legs (202), a second connecting rod is arranged between the lower sections of the two rear supporting legs (203), two first inclined rods (205) which are symmetrically arranged at the left and the right are connected between the first connecting rod and the middle section of the upper frame (201), two second inclined rods (206) which are symmetrically arranged left and right are connected between the second connecting rod and the rear section of the upper frame (201);
a self-locking mechanism is arranged below the rear section of the upper frame (201), the self-locking mechanism comprises a handle (301), a pull rod (302), a fixing seat (303), a connecting sheet (304) and a locking sheet (305), the front section of the handle (301) is rotatably connected with a longitudinal connecting shaft (207) of the upper frame (201), the fixing seat (303) is fixedly arranged at the bottom of the upper frame (201), the fixing seat (303) is positioned in front of the handle (301), the locking sheet (305) and the connecting sheet (304) are sequentially arranged on the inner side of the fixing seat (303), the lower section of the fixing seat (303) is sequentially connected with the front section of the locking sheet (305) and the lower section of the connecting sheet (304) through a second screw (307) and a shaft sleeve (308), the pull rod (302) is arranged between the handle (301) and the connecting sheet (304), one end of the pull rod (302) is connected with the front end of the handle (301, the other end of pull rod (302) and the upper segment of connection piece (304) are fixedly connected through first screw (306), spout (305.1) has been seted up along its length direction to the anterior segment of locking plate (305), the anterior segment of spout (305.1) is provided with bayonet socket (305.2) that upwards extends, bayonet socket (305.2) are linked together with spout (305.1), second screw (307) are located bayonet socket (305.2), the front end of locking plate (305) is provided with inside lateral buckling's separation blade (305.3), the hypomere of connection piece (304) is provided with forward extension's lug (304.1), the leading flank of lug (304.1) contacts with the trailing flank of separation blade (305.3), and the trailing flank of locking plate (305) is connected with reset spring (208) on longitudinal connection axle (207).
2. The stretcher with the self-locking mechanism as recited in claim 1, wherein: the fixing seat (303) comprises a horizontal section and a vertical section, the horizontal section is fixedly connected with the bottom of the upper frame (201), and the top end of the vertical section is fixedly connected with the inner end of the horizontal section.
3. The stretcher with the self-locking mechanism as recited in claim 2, wherein: the lower section of the vertical section is fixedly connected with a second screw (307) in a welding mode.
4. The stretcher with the self-locking mechanism as recited in claim 1, wherein: the bottom of the upper frame (201) is provided with a front group of rollers (209) and a rear group of rollers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822176631.5U CN209751410U (en) | 2018-12-24 | 2018-12-24 | Stretcher with self-locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822176631.5U CN209751410U (en) | 2018-12-24 | 2018-12-24 | Stretcher with self-locking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209751410U true CN209751410U (en) | 2019-12-10 |
Family
ID=68747195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822176631.5U Active CN209751410U (en) | 2018-12-24 | 2018-12-24 | Stretcher with self-locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209751410U (en) |
-
2018
- 2018-12-24 CN CN201822176631.5U patent/CN209751410U/en active Active
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