CN210174911U

CN210174911U - Ground ox with anti-falling device

Info

Publication number: CN210174911U
Application number: CN201920768625.0U
Authority: CN
Inventors: Yan Sun; 孙岩
Original assignee: Upus International Freight Forwarder Beijing Co ltd
Current assignee: Upus International Freight Forwarder Beijing Co ltd
Priority date: 2019-05-24
Filing date: 2019-05-24
Publication date: 2020-03-24
Anticipated expiration: 2029-05-24

Abstract

The utility model provides a ground ox with anti-drop device, including the ox head, the fork, install the directive wheel in ox head bottom, install the running wheel in fork bottom and install the pushing hands on the ox head, still include and set up the second blind hole of keeping away from ox head one end on the fork upper surface, the solid fixed ring of third of rigid coupling in second blind hole upper end, sliding connection is in the second blind hole second piston and fixed connection in the second piston towards solid fixed ring one side of third and with the solid fixed ring sliding fit's of third stopper, the second piston separates the second blind hole for two parts, be called the fourth cavity between second piston and the second blind hole bottom, be called the fifth cavity between second piston and the solid fixed ring of third, be provided with on the ox head and be used for filling gaseous subassembly of aerifing and the gassing subassembly that is used for giving out the high-pressure gas in the fourth cavity to the fourth cavity. The advantages are that: the goods can be clamped on the ground cattle, and the possibility that the goods slide down from the ground cattle when going downhill is reduced.

Description

Ground ox with anti-falling device

Technical Field

The utility model relates to a ground ox especially relates to a ground ox with anti falling device.

Background

In a factory workshop, processed goods are often required to be transported to a warehouse outside the workshop, but because space is limited, some large-scale transport tools cannot enter the workshop, and manpower efficiency is too low, so that the ground cows are generally selected to be transported.

The ox is a convenient and small transport means, which comprises an ox head which is rectangular integrally, two rectangular forks fixedly connected to one side of the ox head, a steering wheel hinged to the bottom of the ox head and far away from ends of the forks, two running wheels respectively hinged to the bottoms of the two forks and far away from ends of the ox head, a steering wheel positioned above the ox head, and a connecting rod hinged between the steering wheel and the steering wheel.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a ground ox with anti falling device, its advantage is: the goods can be clamped on the ground cattle, and the possibility that the goods slide down from the ground cattle when going downhill is reduced.

The above object of the present invention can be achieved by the following technical solutions: the utility model provides a ground ox with anti falling device, includes ox head, rigid coupling at the fork of ox head one side, install the directive wheel in ox head bottom, install the running wheel in the fork bottom and install the pushing hands on ox head, characterized by: still including offering second blind hole, rigid coupling that keep away from ox head one end on the fork upper surface at the solid fixed ring of third, sliding connection in the second blind hole, second piston and fixed connection in the second piston solid fixed ring one side of third and with the solid fixed ring sliding fit's of third stopper in the second blind hole, between second piston and the second blind hole and be sealing connection between the solid fixed ring of third and the stopper, the second piston separates the second blind hole for two parts, be called the fourth cavity between second piston and the second blind hole bottom, be called the fifth cavity between second piston and the solid fixed ring of third, be provided with on the ox head and be used for filling gaseous subassembly of aerifing and being used for the gassing subassembly of giving off the high-pressure gas in the fourth cavity to the fourth cavity.

Through the technical scheme, during the use, insert the goods earlier, then fill gas in the continuous fourth cavity through the operation inflation assembly, thereby promote the stopper and stretch out one section distance of upper surface of fork, gas in the fifth cavity is compressed simultaneously, thereby stop the goods when the downhill path, reduce the possibility that the goods dropped from the ox, after putting the freight in place, the staff can discharge the high-pressure gas in the fourth cavity through the gassing assembly, thereby make the gas of compressed in the fifth cavity promote the second piston to fourth cavity place direction, thereby make in the stopper withdrawal second blind hole, if the stopper does not retract the second blind hole completely, the staff can make it retract the second blind hole completely through trampling the stopper, and the operation process is convenient and simple, and is easy to use.

The utility model discloses further set up to: the inflation assembly comprises a first blind hole formed in the upper side of the ox head, a first piston head connected in the first blind hole in a sliding mode, a first piston rod fixedly connected to one side, facing the open end of the first blind hole, of the first piston head, a first one-way valve installed on the first piston head, and a second one-way valve installed in the first blind hole and located between the first piston head and the bottom of the first blind hole, wherein the first piston and the second one-way valve divide the first blind hole into three parts, the part between the first piston head and the open end of the first blind hole is called a first cavity, the part between the first piston head and the second one-way valve is called a second cavity, the part between the second one-way valve and the bottom of the first blind hole is called a third cavity, the first one-way valve only allows air in the first cavity to flow into the second cavity in a one-way mode, and the second one-way valve only allows air in the second cavity to flow into the, the cow head and the fork are provided with connecting holes for communicating the bottom of the third cavity with the bottom of the fourth cavity.

Through the technical scheme, when the inflation assembly is used for filling gas into the fourth cavity, a worker can continuously push and pull the first piston rod to enable the first piston head to reciprocate in the first blind hole, so that the external gas is continuously filled into the fourth cavity, the use is simple and convenient, the first one-way valve only allows the air in the first cavity to flow into the second cavity in one way, and the gas in the second cavity is prevented from flowing into the first cavity; the second one-way valve only allows one-way flow of air in the second cavity into the third cavity, and prevents gas in the third cavity from flowing back into the second cavity.

The utility model discloses further set up to: set up the through-hole of first cavity of intercommunication and second cavity on the first piston head, first check valve includes that two intervals set up in the through-hole and with the first solid fixed ring of first piston head rigid coupling, set up first spring and the first ball sealer of fixed connection in first spring one end between two first solid fixed rings, the one end rigid coupling that first spring deviates from first ball sealer is on the first solid fixed ring that is close to the second cavity, the diameter of first ball sealer is greater than the internal diameter of first solid fixed ring, first ball sealer butt is in the first solid fixed ring center department that is close to first cavity under the effect of first spring.

Through the technical scheme, when the first piston head moves towards the second one-way valve, air in the second cavity is squeezed, the second sealing ball in the second one-way valve can be pushed open, a passage is formed inside the second one-way valve, air can flow to the third cavity from the second cavity through the passage inside the second one-way valve 7, when the first piston head stops moving towards the second one-way valve, the second sealing ring abuts against the center of the first fixing ring close to the first cavity under the action of the second spring, and therefore air in the second cavity is prevented from flowing back to the first cavity.

The utility model discloses further set up to: the second check valve includes that two intervals set up in first blind hole and with the solid fixed ring of ox head fixed connection's second, set up second spring and the second ball sealer of fixed connection in second spring one end between two solid fixed rings of second, the one end rigid coupling that the second spring deviates from the second ball sealer is on the solid fixed ring of second near the third cavity, the diameter of second ball sealer is greater than the solid fixed ring's of second internal diameter, the butt is in the solid fixed ring center department of second near the second cavity under the effect of second spring in the second ball sealer.

Through the technical scheme, when the first piston head moves towards the direction far away from the second one-way valve, the air pressure in the second cavity is smaller than the external atmospheric pressure, so that the external air can push open the first sealing ball in the first one-way valve, a passage is formed in the first one-way valve, the external air flows into the second cavity through the first cavity and the passage in the first one-way valve, when the first piston head stops moving towards the direction far away from the second one-way valve, the first sealing ball can be abutted against the center of the first fixing ring close to the first cavity under the action of the first spring, and therefore the air in the second cavity is prevented from flowing back into the first cavity.

The utility model discloses further set up to: and one end of the first piston rod, which is far away from the first piston head, is fixedly connected with a handle.

Through above-mentioned technical scheme, the first piston rod of convenient to use person's operation.

The utility model discloses further set up to: a cover is installed at the upper end of the first blind hole, and the first piston rod penetrates through the cover and is in sliding fit with the cover.

Through above-mentioned technical scheme, avoid in the use something falls into first cavity, influence the staff and use inflatable components.

The utility model discloses further set up to: the deflation component comprises a threaded hole which is arranged on one side of the ox head and communicated with the third cavity, and a bolt matched with the threaded hole is arranged in the threaded hole.

Through the technical scheme, a worker can discharge high-pressure gas in the fourth cavity by screwing the bolt out of the threaded hole,

the utility model discloses further set up to: the second piston with all the cover is equipped with the sealing washer on the stopper, two the sealing washer respectively with the solid fixed ring rigid coupling of second piston and third.

Through above-mentioned technical scheme to increase the gas tightness between second piston and the second blind hole and the gas tightness between stopper and the third solid fixed ring.

To sum up, the utility model discloses a beneficial technological effect does: can be the goods card on the ox on ground, reduce the possibility that the goods slided down from the ox on ground when the downhill path, during the use, insert the goods earlier, then fill gas in the continuous one section distance to the fourth cavity of subassembly through the operation inflation, thereby promote the stopper and stretch out one section distance of upper surface of fork, gas in the fifth cavity is compressed simultaneously, thereby block the goods when the downhill path, reduce the possibility that the goods dropped from the ox on ground, after target in place the freight, the staff can discharge the high-pressure gas in the fourth cavity through the gassing subassembly, thereby make the gas that is compressed in the fifth cavity promote the second piston to fourth cavity place direction, thereby make the stopper retract in the second blind hole, if the stopper does not retract in the second blind hole completely, the staff can make its retract the second blind hole completely through trampling the stopper.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of an embodiment of an anti-drop device;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is an enlarged view at B in FIG. 2;

fig. 5 is a schematic view of a bolt structure.

In the figure, 1, ox head; 2. a pallet fork; 3. a steering wheel; 4. a running wheel; 5. a steering wheel; 6. a connecting rod; 7. an anti-drop device; 71. a first blind hole; 711. a cover; 721. a first piston rod; 722. a handle; 723. a first piston head; 724. a through hole; 725. a first check valve; 726. a first retaining ring; 727. a first spring; 728. a first sealing ball; 73. a second one-way valve; 731. a second retaining ring; 732. a second spring; 733. a second sealing ball; 74. a second blind hole; 75. a second piston; 751. a third fixing ring; 752. a limiting block; 79. connecting holes; 76. a seal ring; 77. a threaded hole; 78. a screw; 781. air bleeding holes; 782. and (4) a handle.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a ground ox with anti-falling device, including whole ox head 1 that is the cuboid, two fixed connection are at fork 2 of ox head 1 one side, install the directive wheel 3 of keeping away from 2 one ends of fork in ox head 1 bottom, two install respectively and keep away from the running wheel 4 of ox head 1 one end in two fork 2 bottoms, be located the steering wheel 5 of ox head 1 top, connect the connecting rod 6 of steering wheel 5 and directive wheel 3 and be used for preventing the anti-falling device 7 that the goods dropped, wherein connecting rod 6 is in one side that ox head 1 deviates from fork 2.

Referring to fig. 2 and 3, the anti-falling device 7 includes a first blind hole 71 of a cylindrical shape opened inside the ox head 1 and a first piston head 723 slidably connected inside the first blind hole 71, a first piston rod 721 is fixedly mounted at an upper end of the first piston head 723, a handle 722 is further fixedly mounted at an end of the first piston rod 721 far away from the first piston head 723, and the first piston head 723 can be driven to slide in the first blind hole 71 by applying force to the handle 722.

Referring to fig. 2 and 3, a second one-way valve 73 is further installed between the first piston head 723 and the bottom end of the first blind hole 71, the first piston head 723 and the second one-way valve 73 divide the first blind hole 71 into three parts, the part between the first piston head 723 and the open end of the first blind hole 71 is referred to as a first cavity 791, the part between the first piston head 723 and the second one-way valve 73 is referred to as a second cavity 792, and the part from the second one-way valve 73 to the bottom of the first blind hole 71 is referred to as a third cavity 793. The second check valve 73 includes two second fixing rings 731 fixedly installed in the first blind holes 71, a second spring 732 disposed between the two second fixing rings 731, and a second sealing ball 733 fixedly connected to one end of the second spring 732, the other end of the second spring 732 is fixedly connected to the second fixing ring 731 near one end of the third cavity 793, the diameter of the second sealing ball 733 is larger than the inner diameter of the second fixing ring 731, the second sealing ball 733 abuts against the center of the second fixing ring 731 under the action of the second spring 732, and the gas can be blocked from flowing from the third cavity 793 to the second cavity 792.

When the worker presses the handle 722 downwards, the first piston head 723 moves downwards, the air in the second cavity 792 is pressed, the second sealing ball 733 in the second one-way valve 73 is pushed open, a passage is formed inside the second one-way valve 73, and the air can flow from the second cavity 792 to the third cavity 793 through the internal passage of the second one-way valve 73.

Referring to fig. 2 and 3, a through hole 724 is formed in the first piston head 723 along the axial direction of the first piston head 723, a first one-way valve 725 is fixedly installed in the through hole 724, the first one-way valve 725 comprises two first fixing rings 726 which are respectively installed at two ends of the through hole 724 and are flush with two end faces of the first piston head 723, a first spring 727 installed between the two first fixing rings 726, and a first sealing ball 728 fixedly connected to one end of the first spring 727, the other end of the first spring 727 is fixedly connected to the first fixing ring 726 close to one end of the second cavity 792, the diameter of the first sealing ball 728 is larger than the inner diameter of the first fixing ring 726, and the first sealing ball 728 abuts against the center of the first fixing ring 726 under the action of the first spring 727, so that gas can be blocked from flowing from the second cavity 792 to the first cavity 791.

When the worker presses the handle 722 to move the first piston head 723 downward until it abuts against the end face of the second check valve 73, the worker starts to apply an upward force to the handle 722, and since the external atmospheric pressure is greater than the air pressure in the second chamber 792, the external air can push the first sealing ball 728 in the first check valve 725 open to allow a passage inside the first check valve 725, and the air can flow from the first chamber 791 to the second chamber 792 through the internal passage of the first check valve 725.

Referring to fig. 2 and 4, the anti-falling device 7 further comprises a second blind hole 74 with a cylindrical shape formed in the upper surfaces of the two forks 2, and the second blind hole 74 is formed at the end of the fork 2 far from the ox head 1. A third fixing ring 751 which is flush with the upper surface of the pallet fork 2 is arranged in the second blind hole 74, a second piston 75 is connected in the second blind hole 74 in a sliding mode, the second piston 75 divides the second blind hole 74 into two parts, the part from the second piston 75 to the bottom of the second blind hole 74 is called a fourth cavity 794, the part between the second piston 75 and the third fixing ring 751 is called a fifth cavity 795, a cylindrical limiting block 752 is fixedly installed at one end, facing the fifth cavity 795, of the second piston 75, the limiting block 752 is in sliding fit with the third fixing ring 751, in order to increase the sealing performance of the fifth cavity 795, a sealing ring 76 is respectively sleeved between the second piston 75 and the second blind hole 74 and between the third fixing ring 751 and the limiting block 752, and the sealing rings 76 are respectively fixed on the second piston 75 and the third fixing ring 751.

Referring to fig. 2, the fork 2 and the bull head 1 are provided with a connecting hole 79 for connecting the bottom of the third cavity 793 and the bottom of the fourth cavity 794.

When a worker lifts a load on the ground cattle, the worker can push the first piston head 723 to move towards the second cavity 792 by applying a downward force on the handle 722 on the cattle head 1, the gas in the second cavity 792 flows to the third cavity 793 and passes through the connecting hole 79 to the fourth cavity 794, so that the second piston 75 is pushed to move towards the fifth cavity 795, and meanwhile, the limit block 752 is pushed to slowly extend out of the upper surface of the second blind hole 74. When the first piston head 723 abuts the second one-way valve 73, applying an upward force to pull the handle 722, the air in the first cavity 791 may push open the first sealing ball 728 in the first one-way valve 725 to the second cavity 792. Repeating above-mentioned action like this, stretching out the length on 2 surfaces of fork until stopper 752, can blocking the goods and can not make the goods landing, the gas in fifth cavity 795 is also compressed this moment.

Referring to fig. 1, in order to prevent something from falling into the first cavity 791 and affecting the normal operation of the anti-falling device 7, a cover 711 with a small hole at the center is installed at the upper portion of the first blind hole 71, and the first piston rod 721 can slide through the small hole on the cover 711.

Referring to fig. 1 and 5, the anti-falling device 7 further includes a threaded hole 77 formed in the end surface of the ox head 1 and penetrating into the third cavity 793, a bolt 78 engaged with the threaded hole 77 penetrates through the threaded hole 77, a screw of the bolt 78 is tubular, and an air vent 781 penetrating into the inner hole is formed in one end of the threaded surface of the bolt 78, which is close to the bolt head.

After the staff transported the goods to the destination, unscrew bolt 78, make air bleed hole 781 screw out ox head 1, the gas of compressed gas in the fifth cavity 795 can promote the second piston 75 to the motion of fourth cavity 794 this moment, the air in fourth cavity 794 and the third cavity 793 also flows through air bleed hole 781 through bolt 75 simultaneously, stopper 752 is pushed away in the second blind hole 74 this moment, and the terminal surface and the fork 2 upper surface parallel and level that deviate from second piston 75, if stopper 752 does not stretch out and draw back completely in the second blind hole 74, the staff can artifically press down, then just can easily load and unload the goods.

Referring to fig. 5, in order to facilitate the worker to loosen the bolt 78, a U-shaped handle 782 is welded to the end of the bolt 78 opposite to the screw.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a ground ox with anti falling device, includes ox head (1), rigid coupling fork (2) in ox head (1) one side, installs directive wheel (3) in ox head (1) bottom, installs running wheel (4) in fork (2) bottom and installs the pushing hands on ox head (1), characterized by: the novel fork is characterized by further comprising a second blind hole (74) formed in the upper surface of the fork (2) and far away from one end of the cow head (1), a third fixing ring (751) fixedly connected to the upper end of the second blind hole (74), a second piston (75) connected in the second blind hole (74) in a sliding mode, and a limiting block (752) fixedly connected to one side, facing the third fixing ring (751), of the second piston (75) and in sliding fit with the third fixing ring (751), wherein the second piston (75) is in sealing connection with the second blind hole (74) and the third fixing ring (751) and the limiting block (752), the second piston (75) divides the second blind hole (74) into two parts, a fourth cavity is formed between the bottom of the second piston (75) and the bottom of the second blind hole (74), a fifth cavity is formed between the second piston (75) and the third fixing ring (751), an inflation assembly used for filling gas into the fourth cavity and a high pressure in the fourth cavity are arranged on the cow head (1), and the cow head (1) is provided with an inflation assembly used for A gas discharge assembly for discharging gas.

2. The ground cattle with the falling-preventing device as claimed in claim 1, wherein: the inflation assembly comprises a first blind hole (71) arranged at the upper side of the ox head (1), a first piston head (723) connected in the first blind hole (71) in a sliding manner, a first piston rod (721) fixedly connected to one side of the first piston head (723) facing to the open end of the first blind hole (71), a first one-way valve (725) installed on the first piston head (723), and a second one-way valve (73) installed in the first blind hole (71) and located between the first piston head (723) and the bottom of the first blind hole (71), wherein the first piston and the second one-way valve (73) divide the first blind hole (71) into three parts, the part between the first piston head (723) and the open end of the first blind hole (71) is called a first cavity, the part between the first piston head (723) and the second one-way valve (73) is called a second cavity, and the part between the second one-way valve (73) and the bottom of the first blind hole (71) is called a third cavity, the first one-way valve (725) only allows air in the first cavity to flow into the second cavity in a one-way mode, the second one-way valve (73) only allows air in the second cavity to flow into the third cavity in a one-way mode, and connecting holes (79) communicating the bottom of the third cavity with the bottom of the fourth cavity are formed in the ox head (1) and the fork (2).

3. A ground cow with an anti-falling device according to claim 2, characterized in that: the first piston head (723) is provided with a through hole (724) communicating the first cavity with the second cavity, the first one-way valve (725) comprises two first fixing rings (726) which are arranged in the through hole (724) at intervals and fixedly connected with the first piston head (723), a first spring (727) arranged between the two first fixing rings (726) and a first sealing ball (728) fixedly connected to one end of the first spring (727), one end, deviating from the first sealing ball (728), of the first spring (727) is fixedly connected to the first fixing ring (726) close to the second cavity, the diameter of the first sealing ball (728) is larger than the inner diameter of the first fixing ring (726), and the first sealing ball (728) abuts against the center of the first fixing ring (726) close to the first cavity under the action of the first spring (727).

4. A ground cow with an anti-falling device according to claim 2, characterized in that: the second one-way valve (73) comprises two second fixing rings (731) which are arranged in the first blind hole (71) at intervals and fixedly connected with the ox head (1), a second spring (732) arranged between the two second fixing rings (731), and a second sealing ball (733) fixedly connected to one end of the second spring (732), one end, deviating from the second sealing ball (733), of the second spring (732) is fixedly connected to the second fixing ring (731) close to the third cavity, the diameter of the second sealing ball (733) is larger than the inner diameter of the second fixing ring (731), and the second sealing ball (733) abuts against the center of the second fixing ring (731) close to the second cavity under the action of the second spring (732).

5. A ground cow with an anti-falling device according to claim 2, characterized in that: one end of the first piston rod (721) far away from the first piston head (723) is fixedly connected with a handle (722).

6. A ground cow with an anti-falling device according to claim 2, characterized in that: a cover (711) is installed at the upper end of the first blind hole (71), and the first piston rod (721) penetrates through the cover (711) and is in sliding fit with the cover (711).

7. The ground cattle with the falling-preventing device as claimed in claim 1, wherein: the deflating assembly comprises a threaded hole (77) which is formed in one side of the ox head (1) and communicated with the third cavity, and a bolt matched with the threaded hole (77) is arranged in the threaded hole (77).

8. The ground cattle with the falling-preventing device as claimed in claim 1, wherein: the second piston (75) with all overlap on stopper (752) and be equipped with sealing washer (76), two sealing washer (76) respectively with second piston (75) and the solid fixed ring (751) rigid coupling of third.