PP (polypropylene) cart convenient to unload
By designing a PP trolley that facilitates unloading, and utilizing a combination of push rod mechanism and unloading mechanism, the risk of tipping over and the labor involved in transporting the material buckets were solved, achieving stable movement and efficient unloading of the material buckets.
Patent Information
- Application Number
- CN202422486857.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-15
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-10-15
AI Technical Summary
When using existing handcarts to transport polypropylene raw materials, the large weight and height of the material barrels make it difficult for workers and pose a risk of tipping over, which may cause injury to people in the vicinity.
A PP trolley for easy unloading was designed. Through the cooperation of the push rod mechanism and the unloading mechanism, the material bucket is prevented from tipping over and the material bucket is easy to transport and unload. The trolley includes components such as support column, push rod, retraction spring, and unloading plate, which work together to achieve stable movement and unloading of the material bucket.
It effectively prevents the material buckets from tipping over during handling, reduces the labor intensity of workers, improves handling efficiency, and reduces the safety risks to surrounding personnel caused by tipping over.
Smart Images

Figure CN223559683U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to handcart technical field, concretely relates to a pp cart convenient for unloading. BACKGROUND
[0002] The cart is a carrying vehicle that is pushed and pulled by manpower. The cart has single-wheel, two-wheel, three-wheel and four-wheel. The cart body of the traditional cart is generally made of wood, and the cart body of the modern production cart is generally made of iron sheet. The handcart with different purposes has different cart body structures, and the general four-wheel handcart has a cargo platform, so that the worker can place the object to be carried on the cargo platform.
[0003] Polypropylene is abbreviated as PP, which is a polymer formed by the addition polymerization of propylene. It is a white waxy material with transparent appearance and light weight. Polypropylene is a thermoplastic synthetic resin with excellent performance, which is colorless and translucent, thermoplastic, light weight and widely used in clothing, blanket and other fiber products, medical devices, automobiles, bicycles, parts, conveying pipelines, chemical containers and other productions, and also used for food and drug packaging.
[0004] In the polypropylene production process in the workshop, the worker needs to carry the raw materials to the designated processing position by the cart, so as to prevent the mixed placement of the raw materials. However, in the process of carrying the raw materials by the existing handcart, due to the large demand for polypropylene raw materials, the storage barrel of the polypropylene raw materials has a certain weight, and the height of the storage barrel is relatively high, which causes the worker to carry the raw materials to the handcart, not only laborious, but also has the risk of barrel dumping, thereby causing harm to the surrounding workers.
[0005] Therefore, it is necessary to provide a pp cart convenient for unloading to solve the above problems. INVENTION CONTENTS
[0006] The utility model aims at providing a pp cart convenient for unloading, through the internal parts of the push rod machine and the protective fence, the cart master can carry the storage barrel without the risk of dumping, and through the mutual cooperation between the internal parts of the unloading machine, the storage barrel storing the raw materials can be carried down from the cart master, so as to solve the problem that the storage barrel of the polypropylene raw materials has a certain weight, and the height of the storage barrel is relatively high, which causes the worker to carry the raw materials to the handcart, not only laborious, but also has the risk of barrel dumping, thereby causing harm to the surrounding workers.
[0007] To achieve the above object, the utility model provides following technical scheme: A pp cart convenient to unload, including cart main part, the top of cart main part is equipped with the guardrail of fixed installation, the bottom of cart main part is connected with the fixed universal wheel of installation, one side of cart main part is rotatably connected with push rod mechanism and is penetrated to the inside of cart main part, one side of cart main part away from push rod mechanism is rotatably connected with unloading mechanism and is penetrated to the inside of cart main part,
[0008] The push rod mechanism includes a support column, the support column is connected to one side of the top of the cart main body and penetrates into the inside of the cart main body, both sides of the support column are connected and fixed with connecting columns and penetrate into the inside of the cart main body, both ends of the top of the support column are slidably connected with hand push rods and penetrate into the inside of the support column, the inside of the support column is slidably connected with a support plate at one end of the hand push rod, one end of the support plate away from the hand push rod is connected and fixed with a contraction spring and is located in the inside of the support column, one end of the bottom of the support plate away from the hand push rod is connected and fixed with a sliding column and penetrates into the inside of the connecting column from the support column, one end of the sliding column away from the support plate is connected and fixed with a fixed column and penetrates into the inside of the cart main body from the connecting column, the outer wall of one end of the connecting column away from the support column is sleeved and fixed with a transmission gear;
[0009] The unloading mechanism includes an unloading plate, the unloading plate is slidably connected to one side of the cart main body away from the support column, one side of the unloading plate close to the cart main body is rotatably connected with a connecting shaft, the outer wall of the connecting shaft is sleeved with a torsion spring, both ends of the connecting shaft are connected and fixed with transmission shafts and penetrate into the inside of the cart main body, the outer wall of the transmission shaft is sleeved with a connecting gear and is located in the inside of the cart main body, the inside of the cart main body is slidably connected with a sliding rack and is located at the bottom of the connecting gear and the transmission gear.
[0010] Preferably, the inside of the cart main body is provided with a fixed groove matched with the fixed column, the inside of the support column is provided with a support groove matched with the support plate, and the inside of the connecting column is provided with a sliding groove matched with the sliding column and the fixed column.
[0011] Preferably, the connecting column and the transmission shaft are rotatably connected with the cart main body through bearings, the transmission gear and the connecting gear are meshed with the sliding rack through a tooth block, and the inside of the cart main body is provided with a moving groove matched with the sliding rack.
[0012] Preferably, one side of the cart main body is provided with a movable groove matched with the unloading plate, both ends of the torsion spring are rotatably connected with the unloading plate and the cart main body respectively, and the connecting shaft is rotatably connected with the cart main body through a bearing.
[0013] In the above technical scheme, the utility model provides the technical effect and advantage:
[0014] 1, by pushing the hand push rod, the hand push rod drives the support plate to extrude the contraction spring to move, the support plate moves to drive the sliding column to move, the sliding column moves to drive the fixed column to move from the inside of the trolley body to the inside of the connecting column, the fixing and limiting of the connecting column are released, then pull the hand push rod, the hand push rod drives the support column to move, the support column moves to drive the connecting column to rotate, the connecting column rotates to drive the support column to rotate, the support column rotates from the storage state to the working state convenient for pushing, then push the hand push rod, the hand push rod drives the trolley body to move through the support column, the trolley body moves through the universal wheels at the bottom, and the protective rail at the top of the trolley body protects the material barrels on the trolley body, so that the trolley can be conveniently pushed and moved by the staff, and the risk of shaking and overturning of the material barrels during movement is reduced.
[0015] 2, when the trolley body is not pushed, the support column rotates to the storage state through the connecting column, the connecting column rotates to drive the transmission gear to rotate, the transmission gear rotates to drive the sliding rack to move, the sliding rack moves to drive the connecting gear to rotate, the connecting gear rotates to drive the transmission shaft to rotate, the transmission shaft rotates to drive the connecting shaft to extrude the torsion spring to rotate, the connecting shaft rotates to drive the discharging plate to rotate and move out of the trolley body, and a certain slope is formed between the discharging plate and the loading platform on the surface of the trolley body, so that the staff can push the material barrels to move onto the trolley body through the discharging plate before and after using the trolley, or the material barrels can be moved out of the top of the trolley body to complete the discharging operation, and when the trolley is used, the support column rotates to the working state through the connecting column, the connecting column reversely rotates, so that the discharging plate rotates to form the same horizontal plane with the surface of the trolley body, thereby facilitating the trolley body to push and move the material. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.
[0017] Figure 1 It is a schematic diagram of the overall structure of the present application;
[0018] Figure 2 It is a schematic diagram of the cross-sectional structure of the trolley body of the present application;
[0019] Figure 3 It is a schematic diagram of the cross-sectional structure of the present application;
[0020] Figure 4 It is a schematic diagram of the connecting structure of the support column of the present application;
[0021] Figure 5 For the present utility model Figure 2 Enlarged structural diagram at point A in the middle.
[0022] Explanation of reference numerals in the attached figures:
[0023] 1. Cart body; 101. Guardrail; 102. Casters; 2. Push rod mechanism; 201. Support column; 202. Hand push rod; 203. Connecting column; 204. Support plate; 205. Retraction spring; 206. Sliding column; 207. Fixed column; 208. Transmission gear; 3. Unloading mechanism; 301. Unloading plate; 302. Connecting shaft; 303. Torsion spring; 304. Transmission shaft; 305. Connecting gear; 306. Sliding rack. Detailed Implementation
[0024] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.
[0025] This utility model provides, for example Figures 1-5 The PP trolley shown includes a trolley body 1, a guardrail 101 fixedly mounted on the top of the trolley body 1, and casters 102 fixedly connected to the bottom of the trolley body 1. A push rod mechanism 2 is rotatably connected to one side of the trolley body 1 and extends into the interior of the trolley body 1. An unloading mechanism 3 is rotatably connected to the side of the trolley body 1 away from the push rod mechanism 2 and extends into the interior of the trolley body 1. Through the internal parts of the push rod mechanism 2 and the guardrail 101, the trolley body 1 prevents the material buckets from tipping over when transporting them. Through the cooperation between the internal parts of the unloading mechanism 3, the material buckets containing raw materials can be easily moved off the trolley body 1.
[0026] The push rod mechanism 2 comprises a support column 201 connected to one side of the top end of the trolley body 1 and penetrating into the inside of the trolley body 1, two sides of the support column 201 are fixedly connected with connecting columns 203 and penetrate into the inside of the trolley body 1, two ends of the top end of the support column 201 are slidingly connected with hand push rods 202 and penetrate into the inside of the support column 201, the inside of the support column 201 is slidingly connected with a support plate 204 located at one end of the hand push rod 202, one end of the support plate 204 away from the hand push rod 202 is fixedly connected with a contraction spring 205 located in the inside of the support column 201, one end of the support plate 204 away from the bottom end of the hand push rod 202 is fixedly connected with a sliding column 206 penetrating into the inside of the connecting column 203 from the support column 201, one end of the sliding column 206 away from the support plate 204 is fixedly connected with a fixed column 207 penetrating into the inside of the trolley body 1 from the connecting column 203, the outer wall of the connecting column 203 away from the support column 201 is sleeved with a transmission gear 208, the inside parts of the push rod mechanism 2 and the protective rail 101 facilitate pushing the trolley body 1 to carry the material bucket;
[0027] The unloading mechanism 3 comprises an unloading plate 301 slidingly connected to one side of the trolley body 1 away from the support column 201, one side of the unloading plate 301 close to the trolley body 1 is rotationally connected with a connecting shaft 302, the outer wall of the connecting shaft 302 is sleeved with a torsion spring 303, both ends of the connecting shaft 302 are fixedly connected with transmission shafts 304 penetrating into the inside of the trolley body 1, the outer wall of the transmission shaft 304 is sleeved with a connecting gear 305 located in the inside of the trolley body 1, the inside of the trolley body 1 is slidingly connected with a sliding rack 306 located at the bottom end of the connecting gear 305 and the transmission gear 208, through the mutual cooperation between the inside parts of the unloading mechanism 3, the material bucket storing raw materials is facilitated to be carried down from the trolley body 1.
[0028] Referring to the drawings accompanying the specification Figures 1-5 The inside of the trolley body 1 is provided with a fixed groove matched with the fixed column 207, the inside of the support column 201 is provided with a support groove matched with the support plate 204, the inside of the connecting column 203 is provided with a sliding groove matched with the sliding column 206 and the fixed column 207, through the fixed groove matched with the fixed column 207 provided in the inside of the trolley body 1, the support column 201 is facilitated to be fixedly connected with the trolley body 1 through the fixed column 207.
[0029] Referring to the drawings accompanying the specification Figures 1-5, connecting column 203, transmission shaft 304 is rotatably connected with the stroller body 1 through the bearing, transmission gear 208, connecting gear 305 is engaged with the sliding rack 306 through the tooth block, the inside of the stroller body 1 is provided with a moving groove matched with the sliding rack 306, the transmission gear 208, the connecting gear 305 is engaged with the sliding rack 306 through the tooth block, the transmission gear 208 is rotatable through the sliding rack 306 to drive the connecting gear 305 to rotate.
[0030] With reference to the description attached Figures 1-5 , one side of the stroller body 1 is provided with a movable groove matched with the discharge plate 301, the two ends of the torsion spring 303 are rotatably connected with the discharge plate 301 and the stroller body 1 respectively, the connecting shaft 302 is rotatably connected with the stroller body 1 through the bearing, the two ends of the torsion spring 303 are rotatably connected with the discharge plate 301 and the stroller body 1 respectively, the torsion spring 303 is twisted through the connecting shaft 302 to drive the discharge plate 301 to rotate.
[0031] The utility model working principle:
[0032] With reference to the description attached Figures 1-5 , by pushing the hand push rod 202, the hand push rod 202 drives the supporting plate 204 to extrude the contraction spring 205 to move, the supporting plate 204 moves to drive the sliding column 206 to move, the sliding column 206 moves to drive the fixed column 207 to move from the inside of the stroller body 1 to the inside of the connecting column 203, the fixing limit of the connecting column 203 is released, then the hand push rod 202 is pulled, the hand push rod 202 drives the supporting column 201 to move, the supporting column 201 moves to drive the connecting column 203 to rotate, the connecting column 203 rotates to drive the supporting column 201 to rotate, the supporting column 201 rotates from the storage state to the working state convenient for pushing, then the hand push rod 202 is pushed, the hand push rod 202 moves the stroller body 1 through the supporting column 201, the stroller body 1 moves through the universal wheel 102 at the bottom, and the protective rail 101 at the top of the stroller body 1 protects the material bucket on the stroller body 1, so that the staff can push the stroller to move conveniently, and the risk of shaking and overturning of the material bucket during movement is reduced.
[0033] With reference to the description attached Figures 1-5, when the trolley body 1 is not pushed, the supporting column 201 is rotated into the storage state through the connecting column 203, the connecting column 203 is rotated to drive the transmission gear 208 to rotate, the transmission gear 208 is rotated to drive the sliding rack 306 to move, the sliding rack 306 is moved to drive the connecting gear 305 to rotate, the connecting gear 305 is rotated to drive the transmission shaft 304 to rotate, the transmission shaft 304 is rotated to drive the connecting shaft 302 to extrude the torsion spring 303 to shrink and rotate, the connecting shaft 302 is rotated to drive the discharging plate 301 to rotate, the discharging plate 301 is rotated to move out of the trolley body 1, and a certain slope is formed between the discharging plate 301 and the loading platform on the surface of the trolley body 1, so that the staff can conveniently push the material bucket to move to the trolley body 1 through the discharging plate 301 before use or after use, or the material bucket is moved out of the top of the trolley body 1 to complete the discharging operation, and when the trolley body 1 is used, the supporting column 201 is rotated into the working state through the connecting column 203, the connecting column 203 is reversely rotated to drive the discharging plate 301 to rotate to form the same horizontal plane with the surface of the trolley body 1, so that the trolley body 1 is conveniently pushed to move.
[0034] The above only describes certain exemplary embodiments of the present application by way of illustration, and it is needless to say that the described embodiments can be modified in various ways without departing from the spirit and scope of the present application for those skilled in the art. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the present application.
Claims
1. A pp trolley for facilitating unloading, comprising a trolley body (1), characterized in that: The top end of the trolley body (1) is fixedly provided with a protective guardrail (101), the bottom end of the trolley body (1) is fixedly connected with a universal wheel (102), one side of the trolley body (1) is rotatably connected with a push rod mechanism (2) and penetrates into the inside of the trolley body (1), and the side, away from the push rod mechanism (2), of the trolley body (1) is rotatably connected with a discharging mechanism (3) and penetrates into the inside of the trolley body (1); The push rod mechanism (2) comprises a supporting column (201) which is connected to one side of the top end of the trolley body (1) and penetrates into the inside of the trolley body (1), the two sides of the supporting column (201) are fixedly connected with connecting columns (203) and penetrate into the inside of the trolley body (1), the two ends of the top end of the supporting column (201) are slidably connected with hand push rods (202) and penetrate into the inside of the supporting column (201), the inside of the supporting column (201) is slidably connected with a supporting plate (204) which is located at one end of the hand push rod (202), one end, away from the hand push rod (202), of the supporting plate (204) is fixedly connected with a contraction spring (205) and is located in the inside of the supporting column (201), one end, away from the bottom end of the hand push rod (202), of the supporting plate (204) is fixedly connected with a sliding column (206) which penetrates into the inside of the connecting column (203) from the supporting column (201), one end, away from the supporting plate (204), of the sliding column (206) is fixedly connected with a fixed column (207) which penetrates into the inside of the trolley body (1) from the connecting column (203), and the outer wall of one end, away from the supporting column (201), of the connecting column (203) is sleeved with a transmission gear (208). The discharging mechanism (3) comprises a discharging plate (301) which is slidably connected to the side, away from the supporting column (201), of the trolley body (1), the side, close to the trolley body (1), of the discharging plate (301) is rotatably connected with a connecting shaft (302), the outer wall of the connecting shaft (302) is sleeved with a torsion spring (303), the two ends of the connecting shaft (302) are fixedly connected with transmission shafts (304) which penetrate into the inside of the trolley body (1), the outer wall of the transmission shaft (304) is sleeved with a connecting gear (305) which is located in the inside of the trolley body (1), and the inside of the trolley body (1) is slidably connected with a sliding rack (306) which is located at the bottom end of the connecting gear (305) and the transmission gear (208).
2. The pp trolley facilitating easy unloading as claimed in claim 1, wherein: The inside of the trolley body (1) is provided with a fixed groove matched with the fixed column (207), the inside of the supporting column (201) is provided with a supporting groove matched with the supporting plate (204), and the inside of the connecting column (203) is provided with sliding grooves matched with the sliding column (206) and the fixed column (207).
3. The pp trolley facilitating easy unloading as claimed in claim 1, wherein: The connecting column (203) and the transmission shaft (304) are rotatably connected with the stroller body (1) through bearings, the transmission gear (208) and the connecting gear (305) are meshed with the sliding gear rack (306) through the tooth blocks, and the inside of the stroller body (1) is provided with a moving groove matched with the sliding gear rack (306).
4. The pp trolley facilitating easy unloading as claimed in claim 1, wherein: A movable groove matched with the discharging plate (301) is formed in one side of the stroller body (1), both ends of the torsion spring (303) are rotatably connected with the discharging plate (301) and the stroller body (1) respectively, and the connecting shaft (302) is rotatably connected with the stroller body (1) through a bearing.