CN210344945U

CN210344945U - Manual grease gun

Info

Publication number: CN210344945U
Application number: CN201921057152.XU
Authority: CN
Inventors: 黄荣福
Original assignee: Yongkang Fuyu Auto Maintenance Tools Co ltd
Current assignee: Yongkang Fuyu Auto Maintenance Tools Co ltd
Priority date: 2019-07-08
Filing date: 2019-07-08
Publication date: 2020-04-17
Anticipated expiration: 2029-07-08

Abstract

The utility model discloses a manual grease gun, it is hard to wave to aim at overcoming among the prior art handle, the not high problem of transmission efficiency, it includes the barrel, a cover of barrel is equipped with the shower nozzle, it is provided with the piston to slide in the barrel, be provided with the spring of effect on the piston in the barrel, the spring can force the piston to slide on the shower nozzle, the oil outlet has been seted up on the shower nozzle, it can be to gliding ejector pin in the oil outlet to be provided with on the shower nozzle, it is provided with the hand pole to rotate on the shower nozzle, be provided with the transfer line on the ejector pin, the cover is equipped with antifriction bearing on the transfer line, be provided with the spout on the hand pole, antifriction bearing slides and sets up in the spout, antifriction bearing becomes rolling friction with sliding.

Description

Manual grease gun

Technical Field

The utility model belongs to a lubricating grease filling device, in particular to a manual grease gun.

Background

Grease guns are hand tools for grease filling of mechanical equipment. It can be selectively equipped with iron gun rod (iron gun head) or flexible tube (flat gun head) oil-filling nozzle. The multifunctional agricultural machinery hand has the advantages of simple operation, convenience in carrying and wide application range, and is a necessary tool for vast agricultural machinery hands and maintenance centers.

The grease gun has different types such as a pneumatic grease gun, a manual grease gun, a pedal grease gun, an electric grease gun and the like, and the efficiency can be comprehensively and effectively improved by using the manual high-pressure grease gun like the machines such as an excavator, a crane, large engineering machinery and the like.

However, the prior art is not perfect, when the manual grease gun in the market is used, the gun head is aligned to mechanical equipment, lubricating grease is squeezed to the mechanical equipment to be filled through opening and closing of the control handle, and the problems of labor waste and low transmission efficiency exist when the handle is shaken in the actual operation process.

SUMMERY OF THE UTILITY MODEL

For overcoming the defects of the prior art and the existing problems, the utility model provides a manual grease gun with labor saving, good transmission effect and simple structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a manual grease gun, includes the barrel, a terminal cover of barrel is equipped with the shower nozzle, it is provided with the piston to slide in the barrel, be provided with the spring that acts on the piston in the barrel, the spring can force the piston to slide on the shower nozzle, the oil outlet has been seted up on the shower nozzle, be provided with on the shower nozzle and can be to gliding ejector pin in the oil outlet, it is provided with hand pole to rotate on the shower nozzle, be provided with the transfer line on the ejector pin, the cover is equipped with antifriction bearing on the transfer line, be provided with the spout on the hand pole.

Preferably, the hand rocker includes handle and slide, and the handle rotates and sets up on the shower nozzle, and the spout is seted up on the slide, and the slide is fixed to be set up on the handle, and the handle is injectd antifriction bearing in the spout and is slided.

Preferably, the handle is provided with a placement groove, and the sliding seat is fixedly arranged in the placement groove.

Preferably, the material pushing rod is provided with a pin hole, and the transmission rod is inserted in the pin hole.

Preferably, rolling bearings are arranged on two sides of the pushing rod, and the rolling bearings on the two sides are sleeved on the transmission rod respectively.

Preferably, the nozzle is provided with a mounting hole communicated with the oil outlet hole, the material pushing rod is arranged in the mounting hole in a sliding mode, and the material pushing rod can slide into the oil outlet hole or slide outwards the nozzle in a sliding mode.

Preferably, the outer end of the oil outlet is provided with a one-way valve.

Compared with the prior art, the utility model outstanding and profitable technological effect is: when using this manual grease gun, wave the hand rocker with the hand, the hand rocker loops through antifriction bearing, transfer line and drives the ejector pad pole and slide, and antifriction bearing becomes rolling friction when sliding in the spout with sliding friction, has reduced the friction loss, and the rocker of hand rocker is more smooth-going, transmission efficiency is higher, therefore this manual grease gun has laborsaving, transmission effect is good and simple structure's advantage.

Drawings

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

fig. 2 is a schematic sectional structure of the present invention;

fig. 3 is a schematic diagram of the explosion structure of the present invention;

FIG. 4 is a schematic sectional view of the sprinkler head of the present invention;

in the figure: 1-cylinder, 2-spray head, 3-rolling bearing, 4-pushing rod, 5-sliding seat, 6-handle, 7-transmission rod, 8-pull rod, 9-spring, 10-piston, 11-one-way valve, 12-tail cover, 21-oil outlet, 22-mounting hole, 41-pin hole, 51-sliding groove and 61-arrangement groove.

Detailed Description

To facilitate understanding of those skilled in the art, the present invention will be further described with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 4, a manual grease gun is a manual tool for conveniently filling lubricating oil to mechanical equipment, and comprises a cylinder body 1, wherein the cylinder body 1 is a hollow pipe fitting with openings at two ends, a nozzle 2 is arranged at one end cover of the cylinder body 1, a tail cover 12 is arranged at the other end cover of the cylinder body 1, and the tail cover 12 can be connected to the cylinder body 1 in a threaded manner, so that a closed space for containing lubricating oil is formed.

A piston 10 capable of sliding towards the spray head 2 is arranged in the barrel 1, the piston 10 is limited between the spray head 2 and the tail cover 12 to slide, and the spray head 2 is provided with an oil outlet 21.

The piston 10 is slid, the piston 10 can push lubricating oil in the cylinder body 1 into the oil outlet 21 on the spray head 2, or the spray head 2 is detached, one end of the cylinder body 1 is inserted into the lubricating oil, the piston 10 is slid, the lubricating oil can be sucked into the cylinder body 1, and the lubricating oil can be conveniently filled into the cylinder body 1.

The spray head 2 can be connected to the barrel body 1 in a threaded mode, a user can manually disassemble and assemble the spray head 2 on the barrel body 1, and lubricating oil is conveniently added into the barrel body 1.

Be provided with pull rod 8 on the piston 10, the one end of pull rod 8 exposes outside barrel 1, and pull rod 8 can drive piston 10 and slide towards the direction of keeping away from shower nozzle 2, and tail-hood 12 can overlap and establish on pull rod 8, and when adding lubricating oil to barrel 1 in, the user can hold on pull rod 8 and drive piston 10 and slide, further conveniently adds lubricating oil to barrel 1 in.

The integral structure of the pull rod 8 is in a T shape, and one end of the pull rod 8 is fixed on the piston 10 through a bolt, so that the force application of a user's hand is further facilitated.

Be provided with the spring 9 that acts on piston 10 in the barrel 1, the spring 9 can force piston 10 to slide on the shower nozzle 2, and the spring 9 can promote piston 10 butt on shower nozzle 2, spring 9 plays the effect of helping hand to piston 10, make the automatic oil outlet 21 that gets into of lubricating oil in the barrel 1 under the effect of spring 9 and piston 10, make the interior gas of barrel 1 discharge through discharge valve automatically under the effect of spring 9 and piston 10, need not the user and promote piston 10, further made things convenient for the operation, quick exhaust and oil discharging.

The spring 9 can be sleeved on the pull rod 8, one end of the spring 9 is abutted against the piston 10, and the other end of the spring 9 is abutted against the tail cover 12.

The ejector 2 is provided with the material pushing rod 4 capable of sliding towards the oil outlet 21, the material pushing rod 4 slides, the material pushing rod 4 can slide into the oil outlet 21 or slide out of the oil outlet 21, and therefore lubricating oil in the oil outlet 21 can be pushed out of the ejector 2, the lubricating oil spraying effect is formed, and lubricating oil can be filled in narrow places.

The spray head 2 is rotatably provided with a hand-operated lever, and the hand-operated lever is convenient for a user to drive the material pushing rod 4 to move through the hand-operated lever.

The pushing rod 4 is provided with a transmission rod 7, the transmission rod 7 is sleeved with a rolling bearing 3, the rolling bearing 3 can be specifically a cylindrical roller bearing, the hand lever is provided with a sliding groove 51, and the rolling bearing 3 is arranged in the sliding groove 51 in a sliding manner.

When using this manual grease gun, wave the hand rocker with the hand, the hand rocker loops through antifriction bearing 3, transfer line 7 drives the sliding of ejector sleeve pole 4, and antifriction bearing 3 becomes rolling friction when sliding in spout 51 with sliding friction, has reduced the friction loss, and the rocker of hand rocker is more smooth-going, transmission efficiency is higher, consequently this manual grease gun has laborsaving, the transmission is effectual and simple structure's advantage.

Hand pole includes handle 6 and slide 5, and handle 6 rotates and sets up on shower nozzle 2, and spout 51 is seted up on slide 5, and spout 51's overall structure is the strip, and slide 5 is fixed to be set up on handle 6, and slide 5 accessible bolt fastening sets up on handle 6, and antifriction bearing 3 sets up between slide 5 and handle 6, and handle 6 inject antifriction bearing 3 and slide in spout 51, and structural design is reasonable, the equipment of being convenient for.

The handle 6 is provided with a placement groove 61, the sliding seat 5 is fixedly arranged in the placement groove 61, the rolling bearing 3 is arranged in the sliding groove 51, the rolling bearing 3 and the sliding seat 5 are hidden in the placement groove 61, the rolling bearing 3 and the sliding seat 5 are prevented from being exposed, and the compactness and the attractiveness of the structure are improved.

The material pushing rod 4 is provided with a pin hole 41, and the transmission rod 7 is inserted in the pin hole 41. The two sides of the pushing rod 4 are provided with rolling bearings 3, the rolling bearings 3 on the two sides are respectively sleeved on the transmission rod 7, specifically, the rolling bearings 3 and the sliding seats 5 are respectively two, the two rolling bearings 3 are respectively sleeved at two ends of the transmission rod 7, the pushing rod 4 is located between the two rolling bearings 3, the two rolling bearings 3 are respectively arranged in the sliding grooves 51 of the two sliding seats 5 in a sliding mode, the rolling bearings 3 on the two sides are adopted to transmit to the pushing rod 4 in the middle, the transmission stability is further improved, and damping and noise are avoided.

The nozzle 2 is further provided with a mounting hole 22 communicated with the oil outlet hole 21, the mounting hole 22 is right opposite to the oil outlet hole 21, the material pushing rod 4 is arranged in the mounting hole 22 in a sliding mode, the material pushing rod 4 slides into the oil outlet hole 21 or slides outwards towards the nozzle 2 by sliding the material pushing rod 4.

The material pushing rod 4 can be matched in the mounting hole 22, so that lubricating oil in the oil outlet hole 21 is prevented from leaking out through the mounting hole 22, the material pushing rod 4 can be partially matched in the oil outlet hole 21, and the pushing effect of the material pushing rod 4 on the lubricating oil in the oil outlet hole 21 is improved.

The oil outlet hole 21 has three openings, one opening facing the inside of the barrel body 1 through which the lubricating oil in the barrel body 1 enters the oil outlet hole 21, the other opening facing the mounting hole 22 through which the lifter bar 4 in the mounting hole 22 enters the oil outlet hole 21, and the last opening facing the outside of the spray head 2. The lubricating oil in the oil outlet hole 21 is ejected outward through the opening.

The pin hole 41, the hand lever, the transmission rod 7 and the rolling bearing 3 are always positioned outside the nozzle 2, so that a user can shake the external hand lever to drive the lubricating oil inside the nozzle 2.

The outer end of oil outlet 21 is provided with check valve 11, and the lubricating oil accessible check valve 11 in the oil outlet 21 is outwards spout, but check valve 11 threaded connection is in the outer end of oil outlet 21, and the lubricating oil accessible check valve 11 one-way outwards discharges in the oil outlet 21, avoids lubricating oil the phenomenon of backward flow to appear. In addition, when the material pushing rod 4 slides away from the oil outlet hole 21, the one-way valve 11 prevents outside air from entering the oil outlet hole 21, a relative vacuum area can be formed between the one-way valve 11 and the material pushing rod 4, a pressure difference is formed between the one-way valve 11 and the material pushing rod 4, and lubricating oil in the cylinder 1 can conveniently and rapidly enter the oil outlet hole 21.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, 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 manual grease gun, including barrel (1), a terminal cover of barrel (1) is equipped with shower nozzle (2), it is provided with piston (10) to slide in barrel (1), be provided with spring (9) that act on piston (10) in barrel (1), spring (9) can force piston (10) to slide on shower nozzle (2), oil outlet (21) have been seted up on shower nozzle (2), be provided with on shower nozzle (2) and can be to gliding ejector beam (4) in oil outlet (21), it is provided with the hand pole to rotate on shower nozzle (2), a serial communication port, be provided with transfer line (7) on ejector beam (4), the cover is equipped with antifriction bearing (3) on transfer line (7), be provided with spout (51) on the hand pole, antifriction bearing (3) slide and set up in spout (51).

2. A hand grease gun according to claim 1, characterized in that the hand lever comprises a handle (6) and a slide (5), the handle (6) is rotatably arranged on the spray head (2), the slide (51) is arranged on the slide (5), the slide (5) is fixedly arranged on the handle (6), and the handle (6) limits the rolling bearing (3) in the slide (51) to slide.

3. The manual grease gun as claimed in claim 2, wherein the handle (6) is provided with a placement groove (61), and the sliding seat (5) is fixedly arranged in the placement groove (61).

4. The hand-operated grease gun as claimed in claim 1, wherein the pushing rod (4) is provided with a pin hole (41), and the transmission rod (7) is inserted into the pin hole (41).

5. The hand-operated grease gun according to claim 1, wherein rolling bearings (3) are arranged on both sides of the pushing rod (4), and the rolling bearings (3) on both sides are respectively sleeved on the transmission rod (7).

6. The hand-operated grease gun according to claim 1, wherein the nozzle (2) is provided with a mounting hole (22) communicated with the oil outlet (21), the material pushing rod (4) is slidably arranged in the mounting hole (22), the material pushing rod (4) is slidably arranged, and the material pushing rod (4) can slide into the oil outlet (21) or slide towards the outside of the nozzle (2).

7. A hand grease gun according to claim 1, characterized in that the outer end of the grease outlet hole (21) is provided with a one-way valve (11).