阅读说明：本技术 一种水泵填料压盖 (Water pump packing gland ) 是由 王水江 于 2019-12-03 设计创作，主要内容包括：一种水泵填料压盖,涉及水泵配件领域,包括环形的盖板和数个圆形的挡板,挡板侧部安装数个固定杆的一端和数个限位杆的一端,每个固定杆上均安装数个倒刺,固定杆的另一端均设置尖头,每个限位杆的另一端侧部均设置限位块,挡环侧部开设限位槽。本发明在填料压紧过程中,填料与固定杆和限位杆接触时,限位杆上的限位块能够阻挡填料将固定杆推离,使得填料受到的挤压充分。填料压紧后,由于数个固定杆为一组组合插入填料,单个固定杆的直径较小,从而便于插入压紧后的填料,而同组内的数个固定杆之间存在间隙,被固定杆挤压排开的填料能够进入间隙,使填料与固定杆接触紧密,填料能够完整取出,且取出过程中不会划伤阀杆及填料函内壁。(The utility model provides a water pump gland that packs, relates to water pump accessory field, including annular apron and the circular shape baffle of several, the one end of baffle lateral part installation several dead lever and the one end of several gag lever post all install the several barb on every dead lever, and the other end of dead lever all sets up the tip, and the other end lateral part of every gag lever post all sets up the stopper, and the spacing groove is seted up to the fender ring lateral part. In the packing compressing process, when the packing is contacted with the fixed rod and the limiting rod, the limiting block on the limiting rod can prevent the packing from pushing away the fixed rod, so that the packing is fully extruded. After the packing compresses tightly, because the several dead lever inserts the packing for a set of combination, the diameter of single dead lever is less to be convenient for insert the packing after compressing tightly, and there is the clearance between the several dead lever of organizing, the packing of being arranged away by the dead lever extrusion can get into the clearance, makes packing and dead lever contact inseparable, and the packing can be completely taken out, and can not fish tail valve rod and packing box inner wall in the process of taking out.)

1. The utility model provides a water pump gland which characterized in that: comprises an annular cover plate (1) and a plurality of circular baffle plates (7), one end of an annular sleeve (3) is arranged at the side part of the cover plate (1), a plurality of first connecting holes (4) are uniformly formed in the cover plate (1) along the circumferential direction, a plurality of second connecting holes (5) are uniformly formed in the sleeve (3) along the circumferential direction, the first connecting holes (4) are the same as the corresponding second connecting holes (5) in pore diameter and coincide with the central line, an annular baffle ring (6) is arranged at the end part of each second connecting hole (5), the baffle plates (7) are positioned in the corresponding second connecting holes (5), the baffle plates (7) can slide along the first connecting holes (4) and the second connecting holes (5), the baffle rings (6) can block the baffle plates (7), one ends of a plurality of fixing rods (8) and one ends of a plurality of limiting rods (11) are arranged at the side part of each baffle plate (7), a plurality of barbs (9), dead lever (8) and several barb (9) can pass corresponding fender ring (6), and the other end of dead lever (8) all sets up tip (10), and several gag lever post (11) evenly set up along the circumferencial direction of baffle (7), and the other end lateral part of every gag lever post (11) all sets up stopper (12), and spacing groove (13) are seted up to fender ring (6) lateral part, and stopper (12) cooperate with spacing groove (13).

2. A water pump packing gland according to claim 1, wherein: an annular groove (2) is formed in the side portion of the cover plate (1), and one end of the sleeve (3) is installed in the groove (2) in a matched mode.

3. A water pump packing gland according to claim 1, wherein: barbs (9) on adjacent fixing rods (8) are arranged in a staggered mode.

4. A water pump packing gland according to claim 1, wherein: and a sealing ring is arranged between the baffle ring (6) and the baffle plate (7).

5. A water pump packing gland according to claim 1, wherein: the cover plate (1) is connected with the sleeve (3) through a fastener.

6. A water pump packing gland according to claim 1, wherein: first guide way (14) are seted up respectively to first connecting hole (4) both sides, second guide way (15) are seted up respectively to second connecting hole (5) both sides, baffle (7) both sides set up deflector (16) respectively, deflector (16) cooperation is installed in first guide way (14), deflector (16) can be followed first guide way (14) and slided to in second guide way (15).

7. A water pump packing gland according to claim 1, wherein: the side part of the baffle (7) is provided with a groove (17).

Technical Field

The invention relates to the field of water pump accessories, in particular to a water pump packing gland.

Background

In order to seal the gap between the pump casing and the pump shaft, the water in the pump is not allowed to flow outside, and the air outside is not allowed to enter the pump, so that the filler is required to be placed in the gap between the pump casing and the pump shaft and is tightly pressed by the filler pressing cover. When the water pump works, the filler and the pump shaft generate friction, so that the filler and the pump shaft are abraded greatly and need to be replaced at intervals. At present, the filler is generally taken out through an iron wire hook manually, and the inner wall of the valve rod and the inner wall of the filler box are easily scratched when the filler is taken out through the hook. In order to avoid scratching the valve rod and the inner wall of the packing box in the taking-out process, the inventor of the application proposes an invention patent with application number 201920047296.0, which is named as a special packing gland for a water pump, the packing can be taken out through fixing rods and barbs, and the distance between every two adjacent fixing rods is larger than the diameter of the fixing rods, so that the fixing rods need to be larger in diameter to fully extrude the packing so as to take out the nearby packing.

Disclosure of Invention

The invention provides a water pump packing gland, which aims to solve the problems that a fixed rod is easy to push away by packing in a packing compression link and the fixed rod is inconvenient to insert the compressed packing.

In order to achieve the purpose, the invention is realized by the following technical scheme: a water pump packing gland comprises an annular cover plate and a plurality of circular baffle plates, wherein one end of an annular sleeve is arranged at the side part of the cover plate, a plurality of first connecting holes are uniformly formed in the cover plate along the circumferential direction, a plurality of second connecting holes are uniformly formed in the sleeve along the circumferential direction, the first connecting holes are the same as the corresponding second connecting holes in pore diameter and coincide with the central line, an annular baffle ring is arranged at the end part of each second connecting hole, the baffle plates are positioned in the corresponding second connecting holes, the baffle plates can slide along the first connecting holes and the second connecting holes and can block the baffle plates, one ends of a plurality of fixing rods and one ends of a plurality of limiting rods are arranged at the side part of the baffle plates, a plurality of barbs are arranged on each fixing rod, the fixing rods and the barbs can penetrate through the corresponding baffle rings, pointed ends are arranged at the other ends of the fixing rods, the limiting rods are uniformly, the lateral part of the baffle ring is provided with a limit groove, and the limit block is matched with the limit groove.

In order to further achieve the purpose, the technical scheme is as follows: an annular groove is formed in the side portion of the cover plate, and one end of the sleeve is installed in the groove in a matched mode. Barbs on adjacent fixing rods are arranged in a staggered mode. And a sealing ring is arranged between the baffle ring and the baffle plate. The cover plate is connected with the sleeve through a fastener. First guide grooves are formed in two sides of the first connecting hole respectively, second guide grooves are formed in two sides of the second connecting hole respectively, guide plates are arranged on two sides of the baffle respectively, the guide plates are installed in the first guide grooves in a matched mode, and the guide plates can slide into the second guide grooves along the first guide grooves. The side part of the baffle is provided with a groove.

The invention has the advantages that: according to the invention, after the filler is in place, the sleeve is placed between the filler box and the pump shaft and compresses the filler, and when the filler is contacted with the fixed rod and the limiting rod in the compressing process, the limiting block on the limiting rod is clamped in the limiting groove, so that the filler can be prevented from pushing away the fixed rod, and the filler is fully extruded. After the packing compresses tightly, promote the baffle again and drive the dead lever and remove to the packing, make several dead lever and several barb insert in the packing, because the several dead lever inserts the packing for a set of combination, the diameter of single dead lever is less, thereby be convenient for insert the packing after compressing tightly, and there is the clearance with between the several dead lever of organizing, the packing of being arranged out by the dead lever extrusion can get into the clearance, thereby make packing and dead lever contact inseparable, when changing the packing, dismantle the back with the apron, take the sleeve out, take the in-process out, the sleeve is taken the dead lever out through keeping off the ring, take the in-process out, several barb on the dead lever takes out the packing, the packing takes out the time weak point, and take out in-process can not.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention; FIG. 2 is an enlarged sectional view taken along line A-A of FIG. 1; FIG. 3 is an enlarged view of section I of FIG. 1; fig. 4 is an enlarged view of a portion ii of fig. 2.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is apparent that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one skilled in the art from the embodiments given herein are intended to be within the scope of the invention.

It should be noted that all the directional indicators (such as the upper and lower … …) in the embodiment of the present invention are only used to explain the relative position relationship, movement, etc. of the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

Moreover, the technical solutions in the embodiments of the present invention may be combined with each other, but it is necessary to be able to be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

A water pump packing gland is disclosed, as shown in fig. 1-4, comprising an annular cover plate 1 and a plurality of circular baffles 7, wherein one end of an annular sleeve 3 is arranged at the side part of the cover plate 1, the cover plate 1 is uniformly provided with a plurality of first connecting holes 4 along the circumferential direction, the sleeve 3 is uniformly provided with a plurality of second connecting holes 5 along the circumferential direction, the first connecting holes 4 are the same as the corresponding second connecting holes 5 in diameter and the center lines of the first connecting holes are superposed, the end part of each second connecting hole 5 is provided with an annular baffle ring 6, the baffles 7 are positioned in the corresponding second connecting holes 5, the baffles 7 can slide along the first connecting holes 4 and the second connecting holes 5, the baffle rings 6 can block the baffles 7, one end of a plurality of fixing rods 8 and one end of a plurality of limiting rods 11 are arranged at the side part of the baffles 7, each fixing rod 8 is provided with a plurality of barbs 9, the, the other end of dead lever 8 all sets up tip 10, and several gag lever post 11 evenly sets up along the circumferencial direction of baffle 7, and the other end lateral part of every gag lever post 11 all sets up stopper 12, keeps off 6 lateral parts of ring and sets up spacing groove 13, and stopper 12 cooperatees with spacing groove 13. A plurality of fixing rods 8 on each baffle 7 form a group.

After the filler is in place, the sleeve 3 is placed between the filler box and the pump shaft and compresses the filler, when the filler is in contact with the fixed rod 8 and the limiting rod 11 in the compressing process, the limiting block 12 on the limiting rod 11 is clamped in the limiting groove 13, the filler can be blocked to push away the fixed rod, and the filler can be fully extruded. After packing compresses tightly, promote baffle 7 again and drive dead lever 8 and remove to packing, make several dead lever 8 and several barb 9 insert in the packing, because several dead lever 8 on every baffle 7 inserts the packing for a set of combination, single dead lever 8's diameter is less, and set up tip 10 on the dead lever 8, thereby be convenient for dead lever 8 to insert the packing after compressing tightly, and there is the clearance between the several dead lever 8 with organizing, the packing of being arranged out by the extrusion of dead lever 8 can get into the clearance, thereby make packing and dead lever 8 contact inseparable, when changing the packing, dismantle the back with apron 1, take sleeve 3 out, take out the in-process, sleeve 3 takes out dead lever 8 through retaining ring 6, take out the in-process, several barb 9 on the dead lever 8 takes out the packing, the time of taking out is short, and take out in-process can not fish tail valve rod and packing box inner.

An annular groove 2 is formed in the side portion of the cover plate 1, and one end of the sleeve 3 is installed in the groove 2 in a matched mode. The structure can enable one end of the sleeve 3 to be embedded at the side part of the cover plate 1, so that the sleeve 3 and the cover plate 1 are conveniently connected in an embedded mode, and the connection is accurate and tight.

As shown in fig. 3, the barbs 9 of the adjacent fixing bars 8 are staggered. Pack and be extruded and get into between crisscross barb 9, make barb 9 and the abundant contact of packing, when the dead lever was taken out, barb 9 can be further convenient take out the whole of packing.

And a sealing ring is arranged between the baffle ring 6 and the baffle 7. This structure ensures the sealing between the baffle ring 6 and the baffle 7, preventing the filler from entering the second connecting hole 5.

The cover plate 1 is connected with the sleeve 3 through a fastener. The structure can take out the filler from the cover plate 1 through the sleeve 3 when the cover plate 1 is disassembled, thereby reducing the steps of replacing and installing the filler.

First guide slot 14 is seted up respectively to first connecting hole 4 both sides, second guide slot 15 is seted up respectively to second connecting hole 5 both sides, baffle 7 both sides set up deflector 16 respectively, deflector 16 cooperation is installed in first guide slot 14, deflector 16 can slide to second guide slot 15 along first guide slot 14. This kind of structure can play the guide effect to baffle 7, makes stopper 12 on the baffle 7 cooperate with spacing groove 13 all the time, when avoiding compressing tightly the filler, baffle 7 atress production is rotated, prevents that dead lever 8 from rotating to mix the filler and lead to the loose not convenient for take-over of filler.

The side part of the baffle 7 is provided with a groove 17. People can pass through the groove 17 by hands to be convenient for grasping, and can also be fixed in the groove 17 by ropes, connecting pieces and the like to be convenient for taking out the baffle 7 independently.

The technical contents not described in detail in the present invention are all known techniques. The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and the technical solutions in the idea of the present invention all belong to the protection scope of the present invention, it should be noted that, for those skilled in the art, several modifications and decorations without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.