CN218581770U

CN218581770U - Integral type diaphragm structure

Info

Publication number: CN218581770U
Application number: CN202222707786.3U
Authority: CN
Inventors: 康双林; 朱琳; 黄煜
Original assignee: Shanghai Likuode Fluid Equipment Co ltd
Current assignee: Shanghai Likuode Fluid Equipment Co ltd
Priority date: 2022-10-14
Filing date: 2022-10-14
Publication date: 2023-03-07
Anticipated expiration: 2032-10-14

Abstract

The utility model discloses an integrated diaphragm structure, including diaphragm body, gland, well core rod, fender lid, connecting rod and fastening structure, the gland is installed to the avris of diaphragm body, and the middle part of gland runs through and inserts well core rod, fixedly connected with fender lid on the well core rod, and keeps off lid and diaphragm body and laminate each other, well core rod inserts in the inside of connecting rod, and connecting rod and well core rod pass through fastening structure fixed connection; further comprising: the diaphragm body consists of a diaphragm shell, a rubber plate, a rubber filling layer, a clamping groove and a clamping block; the diaphragm shell is positioned on the outermost layer of the diaphragm body, the inner side of the diaphragm shell on the upper layer is attached with a rubber plate, and a rubber filling layer is attached to the lower side of the rubber plate. This integral type diaphragm structure can conveniently install the butt joint with the connecting rod at the in-process that uses, avoids adopting the mode installation that a plurality of bolts screwed on, and can improve the flexibility and the elasticity of self.

Description

Integral type diaphragm structure

Technical Field

The utility model relates to a diaphragm technical field specifically is an integral type diaphragm structure.

Background

The diaphragm pump separates the infused fluid from the plunger and the pump cylinder by a film, thereby protecting the plunger and the pump cylinder, and the diaphragm pump mainly depends on the back-and-forth movement of a diaphragm to change the volume of a working chamber to suck and discharge the fluid in the use process of the diaphragm pump.

The diaphragm assembly of the pneumatic diaphragm pump comprises a stud connecting rod, the stud connecting rod comprises a connecting rod body and mounting rods respectively arranged at two ends of the connecting rod body, the diameter of each mounting rod is smaller than that of the connecting rod body, a check ring is sequentially sleeved on each mounting rod from inside to outside, a diaphragm and a gland are arranged, through holes used for penetrating through the mounting rods are formed in the middles of the check rings and the gland, a section of thread section is arranged at the outer end of each mounting rod, a locking nut is arranged on the outer side of the gland and is in threaded connection and locking with the thread section on the mounting rod, and the inner side of each check ring is limited through a shaft shoulder formed at the joint of the mounting rod and the connecting rod body.

Among them there are the following technical defects in the above-mentioned prior art: when the diaphragm is connected with the connecting rod and the mounting rod, the hexagonal nut and the locking nut of the diaphragm are required to be screwed on the mounting rod to complete connection between the diaphragm and the mounting rod, but the mode of screwing the nut is adopted, so that threads on the nut are easily damaged after tightness, and meanwhile, the mode of screwing a plurality of nuts is utilized to reduce the mounting efficiency between the diaphragm and the connecting rod.

We therefore propose an integrated diaphragm structure in order to solve the problems set out above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an integral type diaphragm structure to solve the diaphragm on the existing market that above-mentioned background art provided and when being connected with connecting rod and installation pole, thereby need twist its hexagon nut and lock nut and accomplish the diaphragm and install the connection between the pole on the pole, nevertheless adopt the nut to twist the mode that connects and lead to the thread on the nut to appear damaging easily after the elasticity, the mode that utilizes a plurality of nuts to twist to connect simultaneously has also reduced the problem of the installation effectiveness between diaphragm and the connecting rod.

In order to achieve the above object, the utility model provides a following technical scheme: an integrated diaphragm structure comprises a diaphragm body, a gland, a central rod, a baffle cover, a connecting rod and a fastening structure, wherein the gland is mounted on the side of the diaphragm body, the central rod penetrates through the middle of the gland, the baffle cover is fixedly connected to the central rod, the baffle cover and the diaphragm body are mutually attached, the central rod is inserted into the connecting rod, and the connecting rod and the central rod are fixedly connected through the fastening structure;

further comprising:

the diaphragm body consists of a diaphragm shell, a rubber plate, a rubber filling layer, a clamping groove and a clamping block;

the diaphragm shell is located on the outermost layer of the diaphragm body, the rubber plate is attached to the inner side of the diaphragm shell on the upper layer, the rubber filling layer is attached to the lower portion of the rubber plate, and the diaphragm shell, the rubber plate and the rubber filling layer are connected in an inserted mode through the clamping grooves and the clamping blocks.

Preferably, the inner wall of the clamping groove and the outer wall of the clamping block are mutually attached, and the shapes of the clamping groove and the clamping block are mutually matched.

Through adopting above-mentioned technical scheme, through inserting the fixture block to the inside of draw-in groove to can guarantee the area of contact between diaphragm shell, rubber slab and the rubber filling layer.

Preferably, fastening structure comprises guide lead screw, fly leaf, grafting piece, spacing post and holding tank, and the guide lead screw runs through and installs on the connecting rod, install two fly leaves on the guide lead screw, the side fixedly connected with grafting piece of fly leaf, and the grafting piece inserts in the inside of holding tank, the holding tank is seted up on well core rod, run through on the fly leaf and insert the spacing post, and the inside at the connecting rod is fixed to spacing post.

Preferably, the threads on the upper section surface and the lower section surface of the guide screw rod are opposite, and the guide screw rod is in threaded connection with the upper movable plate and the lower movable plate.

Through adopting above-mentioned technical scheme, through the opposite of guide lead screw surface screw trend to can make two fly leaves about carrying out synchronous relative movement.

Preferably, the outer wall of the insertion block and the inner wall of the accommodating groove are attached to each other, and the insertion block can move in and out of the accommodating groove.

Through adopting above-mentioned technical scheme, the outer wall of grafting piece and the inner wall of holding tank are laminated each other to can guarantee the stability of grafting piece in the holding tank is inside.

Preferably, the movable plate is symmetrically arranged about a transverse central axis of the limiting column, and the movable plate can slide on the limiting column.

Through adopting above-mentioned technical scheme, thereby can prevent through the vertical slip of fly leaf on spacing post that it from following the guide lead screw and carry out synchronous revolution.

Compared with the prior art, the beneficial effects of the utility model are that: the integrated diaphragm structure can be conveniently installed and butted with the connecting rod in the using process, installation in a mode of screwing a plurality of bolts is avoided, and flexibility and elasticity of the integrated diaphragm structure can be improved;

1. the diaphragm shell, the rubber plate and the rubber filling layer are connected with each other through the clamping grooves and the clamping blocks, so that the contact area among the diaphragm shell, the rubber plate and the rubber filling layer can be increased, and the stability of the connection of the diaphragm shell, the rubber plate and the rubber filling layer is improved;

2. be provided with the fly leaf, can make two fly leaves carry out synchronous relative movement under reverse screw thread's effect through the rotation of guide lead screw, thereby utilize the relative movement of fly leaf to make the corresponding insertion to the holding tank of the splicing block on it, can accomplish the fixed between diaphragm body and the connecting rod from this, avoid the in-process that uses need adopt a plurality of bolt fastening's mode.

Drawings

FIG. 1 is a schematic view of the overall three-dimensional structure of the present invention;

FIG. 2 is a schematic sectional three-dimensional structure view of the center rod and the connecting rod disk of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

fig. 4 is a schematic structural view of the insertion block of the present invention not inserted into the accommodation groove;

FIG. 5 is a schematic view of a sectional three-dimensional structure of the rubber sheet and the rubber packing layer of the present invention;

fig. 6 is an enlarged schematic structural view of the point B in fig. 5 according to the present invention.

In the figure: 1. a diaphragm body; 101. a membrane sheet shell; 102. a rubber plate; 103. a rubber filler layer; 104. a card slot; 105. a clamping block; 2. a gland; 3. a center pole; 4. a blocking cover; 5. a connecting rod; 6. a fastening structure; 601. a guide screw; 602. a movable plate; 603. an insertion block; 604. a limiting column; 605. and (6) accommodating the tank.

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. 1-6, the present invention provides a technical solution: an integrated diaphragm structure comprises a diaphragm body 1, a gland 2, a central rod 3, a baffle cover 4, a connecting rod 5 and a fastening structure 6, wherein the gland 2 is installed on the side of the diaphragm body 1, the central rod 3 penetrates through the middle of the gland 2, the baffle cover 4 is fixedly connected onto the central rod 3, the baffle cover 4 and the diaphragm body 1 are mutually attached, the central rod 3 is inserted into the connecting rod 5, and the connecting rod 5 and the central rod 3 are fixedly connected through the fastening structure 6; the diaphragm body 1 consists of a diaphragm shell 101, a rubber plate 102, a rubber filling layer 103, a clamping groove 104 and a clamping block 105; diaphragm shell 101 is located the outmost of diaphragm body 1, and the inboard laminating of upper diaphragm shell 101 has rubber slab 102, and the laminating of rubber slab 102 below is installed rubber filling layer 103, and adjacent grafting through draw-in groove 104 and fixture block 105 between diaphragm shell 101, rubber slab 102 and the rubber filling layer 103. The inner wall of the slot 104 and the outer wall of the block 105 are attached to each other, and the shapes of the slot 104 and the block 105 are matched with each other.

As shown in fig. 1, fig. 5 and fig. 6, diaphragm body 1 is by diaphragm shell 101, rubber slab 102 and rubber filling layer 103 constitute, thereby can increase the elasticity and the flexibility of diaphragm body 1 self through the setting of rubber slab 102 and rubber filling layer 103, simultaneously diaphragm shell 101, rubber slab 102 and rubber filling layer 103 three connect through the mode of fixture block 105 and the mutual grafting of draw-in groove 104, can improve diaphragm shell 101 from this, the area of contact between rubber slab 102 and the rubber filling layer 103 three, guarantee diaphragm shell 101, the joint strength of rubber slab 102 and rubber filling layer 103.

The fastening structure 6 is composed of a guide screw 601, two movable plates 602, an insertion block 603, a limiting column 604 and a receiving groove 605, wherein the guide screw 601 is installed on the connecting rod 5 in a penetrating manner, the two movable plates 602 are installed on the guide screw 601, the insertion block 603 is fixedly connected to the side edge of the movable plate 602, the insertion block 603 is inserted into the receiving groove 605, the receiving groove 605 is arranged on the central rod 3, the limiting column 604 is inserted into the movable plate 602 in a penetrating manner, and the limiting column 604 is fixed inside the connecting rod 5. The threads of the upper and lower sections of the surface of the guide screw 601 are opposite, and the guide screw 601 is in threaded connection with the upper and lower movable plates 602. The outer wall of the plug block 603 and the inner wall of the receiving groove 605 are attached to each other, and the plug block 603 can move in and out inside the receiving groove 605. The movable plate 602 is disposed symmetrically about a transverse central axis of the position-limiting pillar 604, and the movable plate 602 can slide on the position-limiting pillar 604.

As shown in fig. 1-4, when the diaphragm body 1 and the connecting rod 5 are connected, the central rod 3 in the middle of the diaphragm body 1 is inserted into the connecting rod 5, and then the guide screw 601 is screwed, the rotation of the guide screw 601 can enable the two movable plates 602 to synchronously move relatively under the action of reverse threads, and after the movable plates 602 move, the insertion blocks 603 on the movable plates can be correspondingly inserted into the accommodating grooves 605 formed in the central rod 3, so that the abutting installation of the diaphragm body 1 and the connecting rod 5 can be completed, and the diaphragm body 1 and the connecting rod 5 are prevented from being connected in a manner of screwing a plurality of bolts when the installation is continued.

The working principle is as follows: when the integrated diaphragm structure is used, firstly, as shown in fig. 1-6, the elasticity and flexibility of the diaphragm body 1 can be increased by arranging the rubber plate 102 and the rubber filling layer 103, the diaphragm shell 101, the rubber plate 102 and the rubber filling layer 103 are connected in a manner of mutually inserting the fixture block 105 and the clamping groove 104, the contact area among the diaphragm shell 101, the rubber plate 102 and the rubber filling layer 103 can be increased, the central rod 3 in the middle of the diaphragm body 1 is inserted into the connecting rod 5, the two movable plates 602 can synchronously move relatively under the action of reverse threads by the rotation of the guide screw rod 601, and the inserting block 603 on the guide screw rod is inserted into the accommodating groove 605 formed in the central rod 3, so that the butt joint installation of the diaphragm body 1 and the connecting rod 5 can be completed.

Those not described in detail in this specification are well within the skill of the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. An integrated diaphragm structure comprises a diaphragm body (1), a gland (2), a central rod (3), a blocking cover (4), a connecting rod (5) and a fastening structure (6), wherein the gland (2) is installed on the side of the diaphragm body (1), the central rod (3) penetrates through the middle of the gland (2), the blocking cover (4) is fixedly connected onto the central rod (3), the blocking cover (4) and the diaphragm body (1) are mutually attached, the central rod (3) is inserted into the connecting rod (5), and the connecting rod (5) and the central rod (3) are fixedly connected through the fastening structure (6);

it is characterized by also comprising:

the diaphragm body (1) consists of a diaphragm shell (101), a rubber plate (102), a rubber filling layer (103), a clamping groove (104) and a clamping block (105);

the diaphragm shell (101) is located on the outermost layer of the diaphragm body (1), a rubber plate (102) is attached to the inner side of the upper diaphragm shell (101), a rubber filling layer (103) is attached to the lower portion of the rubber plate (102), and the diaphragm shell (101), the rubber plate (102) and the rubber filling layer (103) are adjacently connected through a clamping groove (104) and a clamping block (105) in an inserted mode.

2. The integrated diaphragm structure according to claim 1, wherein: the inner wall of the clamping groove (104) and the outer wall of the clamping block (105) are attached to each other, and the shapes of the clamping groove (104) and the clamping block (105) are matched with each other.

3. The integrated diaphragm structure of claim 1 wherein: fastening structure (6) comprise guide lead screw (601), fly leaf (602), grafting piece (603), spacing post (604) and holding tank (605), and guide lead screw (601) run through and install on connecting rod (5), install two fly leaves (602) on guide lead screw (601), the side fixedly connected with of fly leaf (602) inserts piece (603), and grafting piece (603) insert in the inside of holding tank (605), holding tank (605) are seted up on well core rod (3), run through on fly leaf (602) and insert spacing post (604), and spacing post (604) are fixed in the inside of connecting rod (5).

4. A unitary diaphragm structure according to claim 3 wherein: the threads of the upper section of surface and the lower section of surface of the guide screw rod (601) are opposite, and the guide screw rod (601) is in threaded connection with the upper movable plate (602) and the lower movable plate (602).

5. A unitary diaphragm structure according to claim 3 wherein: the outer wall of the insertion block (603) and the inner wall of the accommodating groove (605) are attached to each other, and the insertion block (603) can move in and out of the accommodating groove (605).

6. The integrated diaphragm structure according to claim 3, wherein: the movable plate (602) is symmetrically arranged about a transverse central axis of the limiting column (604), and the movable plate (602) can slide on the limiting column (604).