CN202207510U

CN202207510U - Liquid medicine filter of PCB equipment

Info

Publication number: CN202207510U
Application number: CN2011202786487U
Authority: CN
Inventors: 陈德和
Original assignee: Dongguan Universal Pcb Equipment Co Ltd
Current assignee: Dongguan Universal Pcb Equipment Co Ltd
Priority date: 2011-08-02
Filing date: 2011-08-02
Publication date: 2012-05-02
Anticipated expiration: 2021-08-02

Abstract

The embodiment of the utility model relates to a liquid medicine filter of PCB (printed circuit board) equipment. The liquid medicine filter comprises a housing used for accommodating a filter core body and a top cover connected with the casing; the top cover and the casing are connected in a screwed manner; and a retaining fine-tuning switch used for preventing looseness of the top cover and the housing is arranged on the housing and is propped against the top cover. The embodiment of the utility model mainly solves the problem that a conventional liquid medicine filter has larger occupied area, lower safety performance and higher manufacturing cost; and the liquid medicine filter provided by the utility model achieves the purposes that the structure is compact, the occupied area is small, the safety performance can be improved, and the manufacturing cost can be saved.

Description

The liquid medicine filter of PCB equipment

Technical field

The utility model embodiment relates to a kind of liquid medicine filter of PCB equipment.

Background technology

The liquid medicine filter of existing P CB equipment; Like the patent No. is in the Chinese patent of ZL200720178461.3; This filter includes shell, be arranged at filtering core in the shell, be covered on shell top cover, be connected in shell and be connected to the securing member and the protection switch of top cover; Top cover is to utilize securing member that the two tensioner is fixed with the fixed form that is connected of shell; Adopt the structure of this connected mode need have enough spaces to leave special-purpose dismantling devices such as securing member or spanner for so that tighten, it takes up room bigger; Because liquid medicine has corrosivity, its shell and top cover generally adopt antiseptic power stronger precious metal material or stainless steel, and its manufacturing cost is higher; Because environment for use is moist, liquid medicine steam is overflowed, and the phenomenon that hardware and securing member are corroded still appears in long-term use, and security performance is not high.

The utility model content

The utility model embodiment technical problem to be solved is: a kind of liquid medicine filter of PCB equipment is provided, and its compact conformation, and can improve security performance and practice thrift manufacturing cost.

For solving the problems of the technologies described above; The utility model embodiment adopts following technical scheme: a kind of liquid medicine filter of PCB equipment; Comprise shell that is used for ccontaining filtering core and the top cover that is connected with shell, the connected mode of said top cover and shell is for being screwed together.

Further, also be provided with on the said shell and be used to prevent stopping inching switch loosening between top cover and the shell, this stopping inching switch and said top cover connect.

Further, said shell utilizes a nipple to be screwed with the screw of said top cover to be connected, and this nipple is fixed on the top of shell.

Further, the fixed form of said nipple and shell is a hot melt adhesion.

Further, the staged round buss that said nipple leads in being, the one of which end is connected with said top cover, and the other end is sheathed on the said shell.

Further, said top cover is the cylindrical shell with internal thread.

Further, also be provided with a pair of above handle that supplies special-purpose dismantling device to clamp on the said top cover, this every pair handle is laid on the sidewall of top cover about the axial line symmetry of top cover, and the free-ended width of this handle is not more than the width of stiff end.

Further, also be provided with sealing clamp and sealing ring between said nipple and the top cover, the sealing pressure board is embedded in said nipple upper end, and the sealing circle is embedded in the said sealing clamp and connect with the upper end end face of nipple.

Further, said shell and top cover all adopt the engineering plastics material to process.

The beneficial effect of the utility model embodiment is: because shell and top cover have used the structure that is screwed together, goes up and down along the tubular axis direction during top cover dismounting, and its compact conformation, it is little to take up room; Simultaneously, the stopping inching switch that connects with said top cover is housed also on shell, makes top cover and being connected of shell have auto-lock function, prevent that liquid medicine from spilling to hurt sb.'s feelings, improved its security; Moreover the material of shell, top cover and nipple all adopts engineering plastics, compares and uses the metal steel, has also practiced thrift manufacturing cost, and adopts shell, top cover and the nipple of engineering plastics also to be difficult for being corroded.

Below in conjunction with accompanying drawing the utility model embodiment is made further detailed description.

Description of drawings

Fig. 1 is the front view of the liquid medicine filter of the utility model embodiment PCB equipment.

Fig. 3 is the side view of the liquid medicine filter of the utility model embodiment PCB equipment.

Fig. 3 is the cutaway view of the liquid medicine filter of the utility model embodiment PCB equipment.

Fig. 4 is the explosive view of the liquid medicine filter of the utility model embodiment PCB equipment.

Fig. 5 be the utility model embodiment PCB equipment the liquid medicine filter the upward view of top cover.

Fig. 6 is the cutaway view of special-purpose dismantling device of the liquid medicine filter of the utility model embodiment PCB equipment.

Fig. 7 is the front view of claw of the liquid medicine filter-specific dismantling device of the utility model embodiment PCB equipment.

Fig. 8 is the rearview of claw of the liquid medicine filter-specific dismantling device of the utility model embodiment PCB equipment.

Fig. 9 is a B-B sectional view among Fig. 7.

The specific embodiment

To shown in Figure 5, the utility model embodiment provides a kind of liquid medicine filter of PCB equipment, mainly comprises shell 1, top cover 2, nipple 3, filtering core 4, stopping inching switch 5, sealing clamp 6 and O-ring seal 7 like Fig. 1.

Like Fig. 1 to Fig. 4, said shell 1 logical cylindrical shell in being, its material adopts engineering plastics, and for example the PP material is fixed with filtering core 4 in it, and it is fastening that said shell 1 utilizes said nipple 3 and said top cover 2 to be screwed to be connected.

The material of said top cover 2 adopts engineering plastics, for example PP and Fiber Composite Material, and it is arranged on the upper end of shell 1, and it is screwed with said nipple 3 and is connected, and is set on the nipple 3.Said top cover 2 comprises sleeve 21, is arranged on handle 22, reinforcement 23 on sleeve 21 outer walls; Said sleeve 21 is an end opening, and the other end has the cylindrical shell of the dome of sealing, is formed with internal thread on the inwall; Said handle 21 is laid on the sidewall of top cover 2 about the axial line symmetry of sleeve, and handle 22 quantity of present embodiment are 3 pairs, and when top cover 2 was installed, said 3 pairs of handles 21 supplied people holding up and using when supplying dismounting.Said handle 22 comprises free end 221 and stiff end 222, and the width of this free end 221 is not more than the width of stiff end 222.

The staged round buss that said nipple 3 leads in being; Its material adopts engineering plastics, and material can be identical with shell 1, which is provided with the external screw thread that matches with said top cover 2; Its end that is provided with screw thread is connected with said top cover 2, and the other end is sheathed on the said shell 1; This nipple 3 is fixed on the said shell 1, and the two fixed form is a hot melt adhesion.

Also be provided with a stopping inching switch 5 that is used to prevent that shell 1 and top cover 2 are loosening on the said shell 1, it utilizes screw to be fixed on this nipple 3, and this stopping inching switch 5 connects with the lower surface of top cover 2.

Also be provided with the sealing clamp 6 that is used to seal between said top cover 2 and the said nipple 3; Sealing pressing plate 6 is installed on said nipple 3 upper ends; Also be embedded with O-ring seal 7 on the sealing pressing plate 6; The upper end end face of itself and nipple 3 connects, and O-ring seal 7 and the friction of top cover 2 inwalls have solved large-scale thread seal problem preferably when having avoided top cover 2 and shell 1 to screw togather.

Owing to adopted thread connecting mode, go up and down along the tubular axis direction during top cover 2 dismounting, its compact conformation, it is little to take up room, and dismounting inconvenience situation can not appear in the compact conformation position that is installed in PCB equipment.Simultaneously, utilize the effect of stopping inching switch 5, shell 1 can be realized self-locking with top cover 2, prevents that liquid medicine from spilling to hurt sb.'s feelings, and has improved its security performance.Moreover shell 1, top cover 2 and nipple 3 have all adopted engineering plastics, compare the employing metal material, significantly the economical with materials cost; Simultaneously, the material of engineering plastics also is difficult for being corroded by liquid medicine.

To shown in Figure 9, the special-purpose dismantling device 8 that the liquid medicine filter of the utility model embodiment PCB equipment is equipped with mainly comprises support bar 81, handle 82, claw 83 like Fig. 6.Said support bar 81 is a steel PP pipe; The two ends that said handle 82 is set in support bar 81 grip for the people; Said claw 83 comprises installing hole 831, draw-in groove 832, positive 833, the back side 834 and is positioned at the guiding cambered surface 835 of draw-in groove, and said draw-in groove 832 is bottom opening and the half-open groove with two interlock pawls, so that sheathed and be clamped on the said handle 21; Said guiding cambered surface 835 is from the positive 833 ascending back sides 834 that progressively carry out the transition to, so that be complementary with handle 21; During installation, utilize installing hole 831 to be set on the support bar 81, the front 833 of two cards main 83 is relative; This a pair of claw 83 is slidingly installed on the support bar 81 in opposite directions, and the draw-in groove of claw 83 and said handle 21 match, and employing should the special use dismantling device; Make things convenient for the installation and removal of top cover 2, dismounting is easy to be laborsaving.

The above is the specific embodiment of the utility model; Should be pointed out that general expression technical staff, under the prerequisite that does not break away from the utility model principle for the present technique field; Can also make some improvement and retouching, these improvement and retouching also are regarded as the protection domain of the utility model.

Claims

1. the liquid medicine filter of a PCB equipment comprises shell that is used for ccontaining filtering core and the top cover that is connected with shell, and it is characterized in that: the connected mode of said top cover and shell is for being screwed together.

2. the liquid medicine filter of PCB equipment as claimed in claim 1 is characterized in that: also be provided with on the said shell and be used to prevent stopping inching switch loosening between top cover and the shell, this stopping inching switch and said top cover connect.

3. the liquid medicine filter of PCB equipment as claimed in claim 1 is characterized in that: said shell utilizes a nipple to be screwed with the screw of said top cover to be connected, and this nipple is fixed on the top of shell.

4. the liquid medicine filter of PCB equipment as claimed in claim 3 is characterized in that: the fixed form of said nipple and shell is a hot melt adhesion.

5. the liquid medicine filter of PCB equipment as claimed in claim 3 is characterized in that: the staged round buss that said nipple leads in being, and the one of which end is connected with said top cover, and the other end is sheathed on the said shell.

6. the liquid medicine filter of PCB equipment as claimed in claim 1 is characterized in that: said top cover is the cylindrical shell with internal thread.

7. the liquid medicine filter of PCB equipment as claimed in claim 6; It is characterized in that: also be provided with a pair of above handle that supplies special-purpose dismantling device to clamp on the said top cover; This every pair handle is laid on the sidewall of top cover about the axial line symmetry of top cover, and the free-ended width of this handle is not more than the width of stiff end.

8. the liquid medicine filter of PCB equipment as claimed in claim 3; It is characterized in that: also be provided with sealing clamp and sealing ring between said nipple and the top cover; The sealing pressure board is embedded in said nipple upper end, and the sealing circle is embedded in the said sealing clamp and connect with the upper end end face of nipple.

9. the liquid medicine filter of PCB equipment as claimed in claim 1 is characterized in that: said shell and top cover all adopt the engineering plastics material to process.