CN209743600U - split type dustproof structure for electric push rod - Google Patents

Abstract

The utility model discloses a branch formula dustproof construction for electric putter, including the outer tube and the end cover that are used for straight reciprocating motion's inner tube and cover in the inner tube outside, outer tube and end cover fixed connection, the surface of inner tube is equipped with the dust ring of fixed connection at the end cover surface, the surface of dust ring is equipped with the adapter sleeve that is used for pressing from both sides tight dust ring. The utility model has the advantages that: can strengthen electric putter's dustproof effect, avoid impurity such as dust to cause the influence to electric putter's inside spare part, improve its stationarity and life.

Description

Split type dustproof structure for electric push rod

Technical Field

The utility model discloses a divide formula dustproof construction for electric putter belongs to electric putter technical field.

Background

The electric push rod is an electric driving device for converting the rotary motion of a motor into the linear reciprocating motion of the push rod, can be used as an execution machine in various simple or complex process flows to realize remote control, centralized control or automatic control, but in a severe environment, when an inner tube in the conventional electric push rod extends out and is exposed in the external environment, various dust impurities are easily adhered to the inner tube, and the inner tube can bring the dust impurities into the inside of the electric push rod when retracting, so that the inner mechanism is influenced, and the problems of unstable operation, short service life and the like of the electric push rod are caused.

SUMMERY OF THE UTILITY MODEL

the objective of the present invention is to provide a split dust-proof structure for an electric putter in order to solve the above-mentioned problems.

the utility model discloses a following technical scheme realizes above-mentioned purpose, a branch formula dustproof construction for electric putter, including the outer tube and the end cover that are used for straight reciprocating motion's inner tube and cover in the inner tube outside, outer tube and end cover fixed connection, the surface of inner tube is equipped with the dust ring of fixed connection at the end cover surface, the surface of dust ring is equipped with the adapter sleeve that is used for pressing from both sides tight dust ring.

Preferably, the dust ring includes that quantity is no less than two annular dustproof portions, the adapter sleeve includes that quantity is no less than two annular fixed parts.

Preferably, a first groove and a second groove are formed in the dustproof ring, the first groove is used for being sleeved on the end cover, the second groove is used for being sleeved on the inner pipe, the first groove is communicated with the second groove, and the outer wall of the inner pipe is attached to the inner wall of the second groove.

Preferably, an annular groove is formed in the outer surface of one end, far away from the outer pipe, of the end cover, and an annular protrusion used for being clamped in the annular groove is arranged on the inner wall of the first groove.

Preferably, the edge of the second groove is provided with a surrounding edge, the outer side of the surrounding edge is provided with a first inclined plane, and the surrounding edge and the dust ring are of an integrally formed structure.

Preferably, the fastening sleeve is provided with a third groove for being sleeved on the dust ring and a fourth groove for being sleeved on the surrounding edge, and the third groove is communicated with the fourth groove.

Preferably, the inner wall of the fourth groove is provided with a second inclined plane attached to the first inclined plane.

Preferably, the annular dustproof part is evenly distributed around the inner pipe in a circumferential manner, and the annular fixing part is evenly distributed around the inner pipe in a circumferential manner.

Preferably, the both ends of annular fixed part all are equipped with the ear seat, annular fixed part and ear seat be integrated into one piece structure, the fixed orifices has been seted up on the ear seat.

Preferably, two mutually contact the fixed orifices of ear seat wear to be equipped with the bolt, threaded connection has the nut on the bolt and is used for fixing two ear seats mutually.

compared with the prior art, the beneficial effects of the utility model are that:

through setting up the dust ring, can strike off the dust that bonds on the inner tube outer wall when the inner tube retracts, avoid impurity such as dust to enter into electric putter's inside and cause the influence to its inside spare part, reinforcing electric putter's dustproof effect improves its stationarity and life.

Drawings

Fig. 1 is a sectional view of a split dust-proof structure for an electric putter of the present invention;

fig. 2 is an external schematic view of the split dust-proof structure for the electric putter of the present invention;

Fig. 3 is a front view of an end cap in a split dust-proof structure for an electric putter according to the present invention;

Fig. 4 is a perspective view of an end cap in a split type dustproof structure for an electric push rod of the present invention;

Fig. 5 is a first perspective view of a dust ring in the split dust-proof structure for the electric push rod of the present invention;

Fig. 6 is a second perspective view of a dust ring in the split dust-proof structure for the electric push rod of the present invention;

Fig. 7 is a schematic structural view of the annular dust-proof portion in the split dust-proof structure for the electric putter of the present invention;

Fig. 8 is a perspective view of the fastening sleeve in the split dust-proof structure for the electric putter of the present invention;

Fig. 9 is a schematic structural view of the annular fixing portion of the split dust-proof structure for the electric putter of the present invention.

Reference numerals: 1. an inner tube; 2. an outer tube; 3. an end cap; 4. a dust ring; 41. an annular dust-proof portion; 5. fastening sleeves; 51. a ring-shaped fixing portion; 52. an ear mount; 521. a fixing hole; 6. an annular groove; 7. an annular projection; 8. surrounding edges; 9. a first inclined plane; 10. a second groove; 11. a first groove; 12. a second inclined plane; 13. a fourth groove; 14. and a third groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 9, a split dust-proof structure for an electric putter includes an inner tube 1 for linear reciprocating motion, an outer tube 2 and an end cap 3, the outer tube 2 and the end cap 3 are sleeved outside the inner tube 1, the outer tube 2 is fixedly connected with the end cap 3, a dust ring 4 fixedly connected to the outer surface of the end cap 3 is disposed on the outer surface of the inner tube 1, and a fastening sleeve 5 for clamping the dust ring 4 is disposed on the outer surface of the dust ring 4.

By arranging the dustproof ring 4, dust adhered to the outer wall of the inner tube 1 can be scraped when the inner tube 1 retracts, so that the influence of impurities such as dust on internal parts of the electric push rod due to the fact that the impurities enter the electric push rod is avoided, the dustproof effect of the electric push rod is enhanced, and the stability and the service life of the electric push rod are improved; through setting up adapter sleeve 5, can fasten dust ring 4, further strengthen dust ring 4's dustproof effect.

The dust ring 4 includes at least two annular dust-proof portions 41, and the fastening sleeve 5 includes at least two annular fixing portions 51.

Form two or more annular dust protected portions 41 and annular fixed part 51 through separating respectively dust ring 4 and adapter sleeve 5, make the installation with change dust ring 4 more convenient save trouble, dismantle the front end joint that will install on inner tube 1 and get off and can change dust ring 4, and make things convenient for adapter sleeve 5 to fasten dust ring 4, be convenient for strike off the dust impurity of inner tube 1 outer wall, strengthen its dustproof effect, when dust ring 4 and adapter sleeve 5 separate respectively and form two annular dust protected portions 41 and annular fixed part 51, it is most convenient to change dust ring 4, annular dust protected portion 41 adopts the polyurethane material, annular fixed part 51 adopts stainless steel material.

a first groove 11 used for being sleeved on the end cover 3 and a second groove 10 used for being sleeved on the inner pipe 1 are formed in the dust ring 4, the first groove 11 is communicated with the second groove 10, and the outer wall of the inner pipe 1 is attached to the inner wall of the second groove 10.

Through laminating the outer wall of inner tube 1 and the inner wall of recess two 10 mutually, the contact surface between dust ring 4 and the inner tube 1 laminates mutually promptly for there is not the space between the two, avoids impurity such as dust to enter into electric putter's inside, further strengthens electric putter's dustproof effect.

An annular groove 6 is formed in the outer surface of one end, far away from the outer pipe 2, of the end cover 3, and an annular protrusion 7 used for being clamped in the annular groove 6 is arranged on the inner wall of the first groove 11.

through setting up the annular groove 6 and the annular arch 7 of mutually supporting, make things convenient for the cooperation joint of annular dust guard 41 on end cover 3, guarantee the fixed effect of dust ring 4 to make relative movement can take place for dust ring 4 and inner tube 1, dust ring 4 can strike off its outer wall when inner tube 1 retracts promptly, strengthens dustproof effect.

The edge of the second groove 10 is provided with a surrounding edge 8, the outer side of the surrounding edge 8 is provided with a first inclined plane 9, the surrounding edge 8 and the dust ring 4 are of an integrally formed structure, the fastening sleeve 5 is provided with a third groove 14 used for being sleeved on the dust ring 4 and a fourth groove 13 used for being sleeved on the surrounding edge 8, the third groove 14 and the fourth groove 13 are communicated with each other, and the inner wall of the fourth groove 13 is provided with a second inclined plane 12 attached to the first inclined plane 9.

Through setting up surrounding edge 8, can strengthen the area of contact between dust ring 4 and inner tube 1, strengthen dust ring 4's dustproof effect, set up inclined plane one 9 moreover on surrounding edge 8, set up two 12 on the inclined plane of laminating mutually with inclined plane one 9 at the inner wall of four 13 recesses, increase the area of contact between adapter sleeve 5 and dust ring 4, and then strengthen the fastening effect of adapter sleeve 5 to dust ring 4 to strengthen dust ring 4's dustproof effect.

Annular dustproof portion 41 is circumference evenly distributed around inner tube 1, and annular fixed part 51 is circumference evenly distributed around inner tube 1, can make every annular dustproof portion 41's size the samely, and every annular fixed part 51's size is also the samely, and the manufacturing of being convenient for is also changed when being convenient for damaged.

The two ends of the annular fixing portion 51 are both provided with the ear seats 52, the annular fixing portion 51 and the ear seats 52 are of an integrated structure, the ear seats 52 are provided with fixing holes 521, bolts penetrate through the fixing holes 521 of the two ear seats 52 which are in mutual contact, and nuts are connected to the bolts through threads to fix the two ear seats 52.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. The utility model provides a divide formula dustproof construction for electric putter, is including being used for straight reciprocating motion's inner tube (1) and cover outer tube (2) and end cover (3) in inner tube (1) outside, its characterized in that: outer tube (2) and end cover (3) fixed connection, the surface of inner tube (1) is equipped with dust ring (4) of fixed connection at end cover (3) surface, the surface of dust ring (4) is equipped with adapter sleeve (5) that are used for pressing from both sides tight dust ring (4).

2. the split dust-proof structure for the electric putter of claim 1, characterized in that: dust ring (4) are no less than two annular dustproof portions (41) including quantity, adapter sleeve (5) are no less than two annular fixed portions (51) including quantity.

3. The separate dustproof structure for the electric push rod according to claim 2, wherein: a first groove (11) used for being sleeved on the end cover (3) and a second groove (10) used for being sleeved on the inner pipe (1) are formed in the dust ring (4), the first groove (11) and the second groove (10) are communicated with each other, and the outer wall of the inner pipe (1) is attached to the inner wall of the second groove (10).

4. The separated dust-proof structure for the electric push rod according to claim 3, characterized in that: an annular groove (6) is formed in the outer surface of one end, far away from the outer pipe (2), of the end cover (3), and an annular protrusion (7) used for being clamped in the annular groove (6) is arranged on the inner wall of the first groove (11).

5. The separated dust-proof structure for the electric push rod according to claim 3, characterized in that: the edge of the second groove (10) is provided with a surrounding edge (8), the outer side of the surrounding edge (8) is provided with a first inclined plane (9), and the surrounding edge (8) and the dust ring (4) are of an integrally formed structure.

6. The separated dust-proof structure for the electric push rod according to claim 5, wherein: a third groove (14) used for being sleeved on the dust ring (4) and a fourth groove (13) used for being sleeved on the surrounding edge (8) are formed in the fastening sleeve (5), and the third groove (14) is communicated with the fourth groove (13).

7. The separated dust-proof structure for the electric push rod according to claim 6, wherein: and the inner wall of the fourth groove (13) is provided with a second inclined plane (12) which is attached to the first inclined plane (9).

8. The separate dustproof structure for the electric push rod according to claim 2, wherein: the annular dustproof portion (41) is circumferentially and uniformly distributed around the inner pipe (1), and the annular fixing portion (51) is circumferentially and uniformly distributed around the inner pipe (1).

9. The separate dust-proof structure for the electric putter as claimed in any one of claims 2 to 8, wherein: both ends of the annular fixing part (51) are provided with lug seats (52), the annular fixing part (51) and the lug seats (52) are of an integrally formed structure, and fixing holes (521) are formed in the lug seats (52).

10. The separated dust-proof structure for the electric push rod according to claim 9, wherein: bolts penetrate through the fixing holes (521) of the two lug seats (52) which are in contact with each other, and nuts are connected to the bolts in a threaded mode and used for fixing the two lug seats (52).