Portable folding shopping cart

Abstract

The utility model provides a portable folding shopping cart, relates to shopping cart technical field, the portable folding shopping cart comprises a cart body, connection brake mechanism, auxiliary frame mechanism, the cart body is composed of two sets of support legs, folding frame and intermediate shaft lever, the two sets of support legs are equipped with castors, one set is equipped with a hand push rod, and the other set is equipped with a folding frame. The folding frame is composed of a set of bottom face supports and a horizontal cross rod, and the set of bottom face supports are provided with clamping holes. The connection braking mechanism is composed of a limiting piece set, a limiting rod, a pull rope mechanism, a pull ring structure and a locking mechanism, the pull rope mechanism is composed of a pull rope, a first spring, a first guide groove, a first rope hole and a second rope hole, the pull ring structure is composed of a pull ring and a first clamping hook, and the locking mechanism is composed of a second guide groove, a stop lever, a baffle and a second spring. A stop lever block is mounted at one end of the stop lever, and one surface of the stop lever block is an arc-shaped surface; the auxiliary frame mechanism is composed of a set of supports, a third spring and a pull rod, the set of supports are provided with clamping blocks, and the pull rod is provided with a second clamping hook; the cart body, the connecting brake and the auxiliary frame mechanism are matched with one another, the shopping cart is unfolded and folded through simple operation steps, the working state is stable after the shopping cart is unfolded, the shopping cart is convenient to carry and store after being folded, the stability of the shopping cart in the working state is enhanced through participation of the auxiliary frame mechanism, and the effective use space is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of shopping carts, in particular to a portable foldable shopping cart. Background Art

[0002] As people's living standards continue to improve and daily necessities continue to be enriched, people's shopping needs are also increasing. At this time, people need a shopping cart for transportation. However, the traditional shopping carts currently on the market are large in size, cannot be folded, and are inconvenient to carry and store. Summary of the invention

[0003] The purpose of the utility model is to provide a portable foldable shopping cart to solve the problem that the existing traditional shopping carts on the market cannot be folded and are inconvenient to carry and store. The preferred technical solution among the many technical solutions provided by the utility model can produce many technical effects. Only simple steps are required to complete folding and opening. The operation is simple. The state after opening is stable and the folding is complete, which is convenient to carry and store. See the following for details.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] The utility model provides a portable foldable shopping cart, which is characterized by: a car body, a connecting brake mechanism, and an auxiliary frame mechanism, wherein:

[0006] The vehicle body is composed of two groups of supporting legs, a folding frame and an intermediate shaft rod. The folding frame is composed of a group of bottom brackets and a horizontal cross bar. The group of bottom brackets is installed with card holes. One end of the group of bottom brackets and the horizontal cross bar are respectively hinged to the two groups of supporting legs, and the other end is respectively hinged to the intermediate shaft rod. The folding frame rotates around the two groups of supporting legs and the intermediate shaft rod.

[0007] Preferably, the connecting brake mechanism is composed of a limit member group, a limit rod, a pull rope mechanism, a pull ring structure, and a locking mechanism. The limit member group is respectively installed at the corresponding positions of the two groups of supporting feet and the one group of bottom brackets, and a limit groove is formed by rotation; the pull rope mechanism is composed of a pull rope, a first rope hole, a first spring, a first guide groove, and a second rope hole. The limit rod is connected to one end of the first spring, and the first rope hole, the other end of the first spring and the first guide groove are correspondingly installed on the two groups of supporting feet. One end of the pull rope is connected to the limit rod through the second rope hole and the first rope hole, and drives the limit rod to overcome the action force of the first spring and move in the first guide groove, while making the limit rod enter or leave the limit The locking mechanism is composed of a second guide groove, a baffle rod, a baffle plate, and a second spring. The second rope hole is installed on one side of the second guide groove, and the other side and the baffle plate are installed in the middle of the intermediate shaft rod. The baffle plate is connected to one end of the second spring, and the other end of the second spring is connected to the baffle rod. The baffle rod overcomes the action force of the second spring and moves. A baffle rod block is installed at one end of the baffle rod, and one side of the baffle rod block is an arc-shaped surface. The pull ring moves in the second guide groove, generates a force on the arc-shaped surface of the baffle rod block, and then causes the baffle rod to overcome the elastic force of the second spring and move.

[0008] Preferably, the auxiliary frame mechanism is composed of a group of brackets, a third spring, and a pull rod. The two ends of the outer sides of the group of brackets are respectively hinged to the bottom of the two groups of supporting feet, and respectively rotate around the two groups of supporting feet. The two ends of the inner sides of the group of brackets are respectively installed with clamping blocks, and one end of the third spring is installed at one of the inner ends, and the other end of the third spring is connected to the pull rod. The pull rod overcomes the force of the third spring and moves. The pull rod is installed with a second hook, and the installation position of the second hook corresponds to the clamping block.

[0009] Preferably, one of the two groups of supporting feet is provided with a push rod.

[0010] Preferably, there are several horizontal crossbars.

[0011] Preferably, support blocks are installed at the hinge positions of the bottoms of the one group of brackets and the two groups of supporting feet, and the support blocks play a supporting role when the one group of brackets is working.

[0012] Preferably, the two sets of supporting feet are equipped with casters.

[0013] The foldable auxiliary shopping cart provided by the utility model has at least the following beneficial effects:

[0014] The portable foldable shopping cart comprises: a body, a connecting brake mechanism, and an auxiliary frame mechanism. The body is composed of two groups of supporting feet, a folding frame and an intermediate shaft rod. The connecting brake mechanism is composed of a limit member group, a limit rod, a pull rope mechanism, a pull ring structure, and a locking mechanism. The locking mechanism is composed of a second guide groove, a baffle rod, a baffle plate, and a second spring. Through the connecting brake mechanism, the body can be opened for operation with a stable working state, and the body can also be folded completely for easy carrying and storage.

[0015] The pull rope mechanism is composed of a pull rope, a first rope hole, a first spring, a first guide groove, and a second rope hole. The pull ring structure is composed of a pull ring and a first hook. The locking mechanism is composed of a second guide groove, a blocking rod, a baffle plate, and a second spring. A blocking rod block is installed at one end of the blocking rod, and one side of the blocking rod block is an arc-shaped surface. The pull ring moves in the second guide groove to generate a force on the arc-shaped surface of the blocking rod block, thereby causing the blocking rod to overcome the elastic force of the second spring and move. By simply lifting the pull ring and driving the pull rope, the limiting effect of the limit rod and the first hook on the two sets of supporting feet and the folding frame can be simultaneously released, so that the vehicle body can be folded. After the pull ring passes through the arc-shaped surface, the baffle rod is reset under the elastic force of the second spring and blocks the pull ring, so that the vehicle body remains in a foldable state. The whole process has few operating steps and is simple and quick.

[0016] The auxiliary frame mechanism is composed of a group of brackets, a third spring, and a pull rod. The outer ends of the group of brackets are respectively hinged to the bottom of the two groups of supporting feet, and the third spring and the pull rod are installed on the inner side. Support blocks are installed at the hinge positions of the group of brackets and the two groups of supporting feet. The third spring acts on the pull rod to make the group of brackets stable when working. Because the group of brackets are installed at the bottom of the two groups of supporting feet, the torque generated by the two groups of supporting feet on the limit member group and the limit rod during the pushing process of the shopping cart can be effectively reduced. At the same time, it can also be used as a simple shelf. The two groups of supporting feet, through the participation of the auxiliary frame mechanism, not only enhance the stability of the working state of the shopping cart, but also increase the effective use space of the shopping cart. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is an overall diagram of an embodiment of the utility model;

[0019] Figure 2 This is the overall split diagram of the utility model;

[0020] Figure 3 It is an enlarged view of the A part of the utility model;

[0021] Figure 4 Auxiliary mechanism split diagram;

[0022] Figure 5 Intermediate shaft diagram;

[0023] Attached photos

[0024] 1. Car body; 11. Two sets of supporting feet; 111. Hand push rod; 112. Casters; 12. Folding frame; 121. A set of bottom brackets; 1211. Clamp hole; 122. Horizontal cross bar; 13. Intermediate shaft; 2. Connecting brake mechanism; 21. Limiting member group; 212. Limiting groove; 22. Limiting rod; 23. Pull rope mechanism; 231. Pull rope; 232. First rope hole; 233. First spring; 234. First guide groove; 235. Second rope hole; 24. Pull ring structure; 241. Pull ring; 242. First hook; 25. Locking mechanism; 251. Second guide groove; 252. Stop rod; 2521. Stop rod block; 2522. Arc surface; 253. Baffle; 254. Second spring; 3. Auxiliary frame mechanism; 31. A group of brackets; 311. Block; 32. Third spring; 33. Pull rod; 331. Second hook; 34. Support block. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the utility model.

[0026] See also Figure 1-5 The utility model provides a portable foldable shopping cart, comprising a body 1, a connecting brake mechanism 2, and an auxiliary frame mechanism 3, wherein:

[0027] The vehicle body is composed of two groups of supporting legs 11, a folding frame 12 and an intermediate shaft 13. The two groups of supporting legs 11 are installed with casters 112, one of which is provided with a push rod 111. The folding frame 12 is composed of a group of bottom brackets 121 and a horizontal cross bar 122. One group of bottom brackets 121 is installed with a card hole 1211; one end of a group of bottom brackets 121 and a horizontal cross bar 122 are respectively hinged to the two groups of supporting legs 11, and the other end is respectively hinged to the intermediate shaft 13. The folding frame 12 rotates around the two groups of supporting legs 11 and the intermediate shaft 13.

[0028] The connecting brake mechanism 2 is composed of a limit member group 21, a limit rod 22, a pull rope mechanism 23, a pull ring structure 24, and a locking mechanism 25. The limit member group 21 is respectively installed at the corresponding positions of the two groups of support feet 11 and a group of bottom brackets 121, and a limit groove 212 is formed by rotation; the pull rope mechanism 23 is composed of a pull rope 231, a first rope hole 232, a first spring 233, a first guide groove 234, and a second rope hole 235. The limit rod 22 is connected to one end of the first spring 233, and the first rope hole 232, the other end of the first spring 233 and the first guide groove 234 are correspondingly installed on the two groups of support feet 11. One end of the pull rope 231 is connected to the limit rod 22 through the second rope hole 235 and the first rope hole 232, and drives the limit rod 22 to overcome the force of the first spring 233 and move in the first guide groove 234, while making the limit rod 22 enter or leave the limit groove 212; the pull ring structure 2 4 is composed of a pull ring 241 and a first hook 242. The pull ring 241 is connected to the other end of the pull rope 231. The first hook 242 and the locking hole 1211 are located in corresponding positions. The locking mechanism 25 is composed of a second guide groove 251, a blocking rod 252, a blocking plate 253, and a second spring 254. The second rope hole 235 is installed on one side of the second guide groove 251, and the other side and the blocking plate 253 are installed in the middle of the intermediate shaft 13. The blocking plate 253 is connected to one end of the second spring 254, and the other end of the second spring 254 is connected to the blocking rod 252. The blocking rod 252 overcomes the force of the second spring 254 and moves. A blocking rod block 2521 is installed at one end of the blocking rod 252. One side of the blocking rod block 2521 is an arcuate surface 2522. The pull ring 241 moves in the second guide groove 251, generating a force on the arcuate surface 2522 of the blocking rod block 2521, thereby causing the blocking rod 252 to overcome the elastic force of the second spring 254 and move.

[0029] The auxiliary frame mechanism 3 is composed of a group of brackets 31, a third spring 32, and a pull rod 33. The two ends of the outer side of a group of brackets 31 are respectively hinged to the bottom of the two groups of support feet 11, and rotate around the two groups of support feet 11 respectively. Support blocks 34 are installed at the hinge positions of the bottom of a group of brackets 31 and the two groups of support feet 11. The support blocks 34 play a supporting role when a group of brackets 31 are working. Blocks 311 are respectively installed at the two ends of the inner side of a group of brackets 31, and one end of the third spring 32 is installed at one end of the inner side, and the other end of the third spring 32 is connected to the pull rod 33. The pull rod 33 overcomes the force of the third spring 32 and moves. The pull rod 33 is installed with a second hook 331, and the installation position of the second hook 331 corresponds to the block 311.

[0030] When folding, lift the pull ring 241 and act on the arc surface 2522 until it passes through the blocking rod 252. During the process, the pull ring 241 drives the first hook 242 to disengage from the locking hole 1211, and at the same time drives the pull rope 232, so that the limiting rod 22 overcomes the force of the first spring 233 and moves in the first guide groove 234 and disengages from the limiting groove 212. At this time, the blocking rod 252 is reset under the force of the second spring 254, and blocks the pull ring 241 from resetting. The pull rod 3 is further pulled up to make the second hook 331 disengage from the block 311, and then a group of brackets 31 are rotated respectively, so that a group of brackets 31 are rotated toward the direction close to the two groups of supporting feet 11, and finally the shopping cart is folded.

[0031] To open the machine, just do the reverse operation.

[0032] In the description of the present application, it should be understood that the terms "left", "right", "up", "down", etc., indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present application.

[0033] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "several" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0034] In this application, unless otherwise clearly specified and limited, the terms "installation", "connection" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0035] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A portable foldable shopping cart, characterized in that: Car body, connecting brake mechanism, auxiliary frame mechanism, including: The vehicle body is composed of two groups of supporting feet, a folding frame and an intermediate shaft rod. The folding frame is composed of a group of bottom brackets and a horizontal cross bar. The group of bottom brackets is installed with a card hole. One end of the group of bottom brackets and the horizontal cross bar is respectively hinged to the two groups of supporting feet, and the other end is respectively hinged to the intermediate shaft rod. The folding frame rotates around the two groups of supporting feet and the intermediate shaft rod. The connecting brake mechanism is composed of a limit member group, a limit rod, a pull rope mechanism, a pull ring structure, and a locking mechanism. The limit member group is respectively installed at the corresponding positions of the two groups of supporting feet and the one group of bottom brackets, and a limit groove is formed by rotation; the pull rope mechanism is composed of a pull rope, a first rope hole, a first spring, a first guide groove, and a second rope hole. The limit rod is connected to one end of the first spring, and the first rope hole, the other end of the first spring and the first guide groove are correspondingly installed on the two groups of supporting feet. One end of the pull rope is connected to the limit rod through the second rope hole and the first rope hole, and drives the limit rod to overcome the action force of the first spring to move in the first guide groove, and at the same time makes the limit rod enter or leave the limit groove. ; The pull ring structure is composed of a pull ring and a first hook, the pull ring is connected to the other end of the pull rope, and the first hook and the locking hole are in corresponding positions; the locking mechanism is composed of a second guide groove, a baffle rod, a baffle plate, and a second spring, the second rope hole is installed on one side of the second guide groove, and the other side and the baffle plate are installed in the middle of the intermediate shaft rod, the baffle plate is connected to one end of the second spring, and the other end of the second spring is connected to the baffle rod, the baffle rod overcomes the action force of the second spring and moves, a baffle rod block is installed at one end of the baffle rod, one side of the baffle rod block is an arc-shaped surface, the pull ring moves in the second guide groove, generates a force on the arc-shaped surface of the baffle rod block, and then the baffle rod overcomes the elastic force of the second spring and moves; The auxiliary frame mechanism consists of a group of brackets, a third spring, and a pull rod. The two ends of the outer sides of the group of brackets are respectively hinged to the bottom of the two groups of supporting feet, and rotate around the two groups of supporting feet respectively. The two ends of the inner sides of the group of brackets are respectively installed with clamping blocks, and one end of the inner side is installed with one end of the third spring, and the other end of the third spring is connected to the pull rod. The pull rod overcomes the force of the third spring and moves. The pull rod is installed with a second hook, and the installation position of the second hook corresponds to the clamping block.

2. A portable foldable shopping cart according to claim 1, characterized in that: One of the two groups of supporting legs is provided with a push rod.

3. A portable foldable shopping cart according to claim 1, characterized in that: There are several numbers of the horizontal crossbars.

4. A portable foldable shopping cart according to claim 1, characterized in that: A support block is installed at a hinge position between the one group of brackets and the bottom of the two groups of support legs, and the support block plays a supporting role when the one group of brackets is working.

5. A portable foldable shopping cart according to claim 1, characterized in that: The two sets of supporting feet can be equipped with casters.

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